Conditional Operators In Java

Java Control statements control the order of execution in a java program, based on data values and conditional logic. If/Else statements aren't optimal (or necessary) in all situations. Java ternary operator is the only conditional operator that takes three operands. Meaning one had to be a subtype of (or same type as) the other. If any condition evaluates to true then true statement executed else false statement executed. C# does not use the word and. They are also called as Ternary Operator. Conditional operators in C language: (Ternary operators)?, : are two operators used to perform conditional execution. Let's begin with basic program: In the above program, a simple statement “hello from varun” is written and println command is given so that the same statement is shown in the output. In Java variables article, you learned to declare variables and assign values to variables. Conditional-AND – In case of && operator in Java if any of the two boolean expression is false then the result is false. C++ Programming Challenge 4-1: Minimum/Maximum (C++ Ternary Conditional Operator, C++ Conditional Statements) Write a program that asks the user to enter two numbers. This tutorial focuses on: The if statement. com is for Java and J2EE developers, all examples are simple and easy to understand, and well tested in our development environment. This results in 2. JAVA Programming Assignment Help, Java conditional operator expression, Question: a) Change the following example, using the Java's conditional operator expression, to solve the duplication problem. The logical AND and OR operators both take two operands. nested if statement 3. Over a million developers have joined DZone. This course is Part 3 of the Java tutorial series. Let's look at a paint program example, shown in Listing 7. It’s a conditional operator which performs an operation based on a condition being true or false in a single line test instead of multiline if-else complexity. This ternary operator java returns the statement depends upon the given expression result. This is especially helpful when there's nesting, because the leading "if" disambiguates the meaning. The following functions provide a more primitive access to in-place operators than the usual syntax does; for example, the statement x += y is equivalent to x = operator. This determines which operator needs to be evaluated first if an expression has more than one operator. The formatting of these operators means that their precedence level is unimportant. Java runs the program from the right side to the left side. Conditional or Ternary operator,Operator In C,C Programming Operators, Conditional or Ternary operator Operator In C,Conditional or Ternary operator Explanation,Conditional or Ternary operator Example Program, Conditional or Ternary operator Syntax and Example. Java Ternary Operator Example. The operator is written as. Java If-else Statement | Conditional Statement in Java Tutorial is today’s topic. Consequently, when the result of the conditional operator can be deduced solely from the result of the first operand, the second operand will remain unevaluated; its side effects, if any, will never occur. 1BestCsharp blog 7,204,181 views. It checks for the boolean condition: true or false. So when I heard about a new feature in Java 8 that was supposed to help mitigate bugs, I was excited. - that'll also output bytecode. So, the ternary conditional operator, it's like a shortcut, if else, but it's just for assigning a value. net and their equivalent operators, the conditional operator ? : and the null coalescing operator ??. It is used to assign a certain value to a variable based on a condition. It is simple a short form. So, the ternary conditional operator,…it's like a shortcut, if else,…but it's just for assigning a value. Relational and conditional operators in Java attempt to ascertain the truth value — whether something is true or not — of an expression. Personally I prefer to use conditional operators in preference to bitwise operators in conditional statements (except in the situation described in the previous paragraph). The operator for conditional-and is a pair of adjacent ampersand characters &&. Conditional operators allow us to perform different types of actions according to different conditions. To explain the ternary operator in PowerShell, let's first start off with an example of an if/then construct. The String comparison operators ==, !=,>, <,>=, <=, and the equals() and equalsIgnoreCase() methods allow you to make alphabetic comparisons between Strings. Binary logical operators have lower precedence than relational operators (they will be evaluated after) NOT has the same precedence as negation. Similarly, in java programming the operators available have some sort of precedence with one another. 1 This example will print whether a number is odd or even. if statement 2. It is also called ternary operator because it takes three arguments. Loop statements: while, do-while and for. (In fact, you may remember "order of operations" from secondary school algebra. Java Syntax. This article provides details about using these operators. Java Ternary Operator. Conditional operators operate only on boolean values. They evaluate to boolean values, true or false. Home Java – A Practical Approach Conditional Operators. In a single line of code, the Java ternary operator let's you assign a value to a variable based on a boolean expression — either a boolean field, or a statement that evaluates to a boolean result. Practical Learning: Creating an Enumeration Field. ( на русском, 日本) Let’s begin with a funny tweet: The ‘c’ at the end is for the lowly comma operator. Conditional Variable Assignment with The Ternary Operator Sometimes you want to set a variable to a value depending on some condition. In Java, there are six logical operators: logical AND (&), logical OR (|), logical exclusive OR i. The Conditional Operator is extremely handy for quickly assigning a different value to a variable depending on the outcome of an evaluation. The goal of the operator is to decide, which value should be assigned to the variable. Operators in C and C++. a boolean with a string or a number with String using == operator, it automatically converts one type into another and return value based upon content equality, while === operator is strict equality operator in Java, and only return true if both variable of same type and also contains same. Source Code: package applet; public class Applet {public static void main (String args[]) { int age = 52; System. This is commonly used in conditional statements and loops. This may be operators who implement sequential execution, cyclical process and conditional jump. Java Syntax. It takes three operands. The else-if statement. This has changed in Python 3. C++ Programming Challenge 4-1: Minimum/Maximum (C++ Ternary Conditional Operator, C++ Conditional Statements) Write a program that asks the user to enter two numbers. Java has only one ternary operator, which is also called conditional operator. Java Conditional Operators Java has the conditional operator. In Visual Basic we have two operators for string concatenation. it looks like it is being explained as a!true ? then fail true : then fail or. java,performance,object. If the question is true, it will return the value of answer1; otherwise, it will return the value of answer2. 1) When we compare two variables of different type e. Following is the syntax of the if statement. Baru kemudian nilai "x" ditambahkan. Java Operators in Hindi - Operation on AND(a&b) Decimal ValueBinary Value अगर a = 20, b = 12 हो तो, 200 0 0 1 0 1 0 0 120 0 0 0 1 1 0 0 40 0 0 0 0 1 0 0. Java Conditional Operator. It can be done using the ternary/binary If operators in vb. T o further enhance your if statements you can use the so-called logical operators. Syntax booleanExpr ? true : false Depending on the Boolean Expression, it evaluates and returns the value of trueExpr or falseExpe. It is also called as conditional operator. So, the ternary conditional operator,…it's like a shortcut, if else,…but it's just for assigning a value. Used for logical "not" operation, condition Local operators or used along with if statements and while loops to check multiple criterias. freecodecamp. The String comparison operators ==, !=,>, <,>=, <=, and the equals() and equalsIgnoreCase() methods allow you to make alphabetic comparisons between Strings. On the previous page you saw some strange looking variables such as @_win32. namesArray[3] = "Jack"; // Set a property of a object to a value. It's simply a question of picking the right conditional operator or operators for the job. The formula used is: Value1 == Value2 The equality operation is used to find out whether two variables (or one variable and a constant) hold the same value. Most people don't know its. true : anything is short-circuit evaluated to true. Assignment Operators. The first operand is a boolean expression; if the expression is true then the value of the second operand is returned otherwise the value of the third. There are eleven compound assignment operators in java. There are eleven compound assignment operators in java. The conditional jump operator allows organizing branching of the execution process in the program. Conditional operators in python is same as any other programming language. In good code the conditional statement should be replaced with a simple if/else statement. 0; or String , starting in J2SE 7. Instead, BeanShell allows you to script objects as "method closures", similar to the way it is done in Perl 5. Conditional Operator in Java with Example by Dinesh Thakur Category: Operators and Expressions Conditional operator (?:) is the only ternary operator available in Java which operates on three operands. WAP in java to check whether the entered year is leap year or not using conditional operators. There are also shortcut. Fortunately, it's very easy to use conditional logic in Java. Java Strings. The results are not recorded anywhere and do not affect your grade. Java supports two selection statements- if and switch. The operator evaluates the first argument and, if true, evaluates the second argument. If any operator is used on three operands or variable is known as Ternary Operator. Nested if Statements; Logical Operators. Java has a neat feature. NET Framework that may seem trivial, but can help improve your code by making it easier to write and maintain. The plus + operator and the & ampersand operator. The program should use a conditional operator to determine which number is the smaller and which is the larger. r/javahelp: General subreddit for helping with **Java** code. Fortunately, it's very easy to use conditional logic in Java. They are the conditional expressions used to give the output according to the condition in the expression. [Soot-list] "Operands in conditional operator does not match" using Soot eclipse plug-in Joe Siponen joe. The else statement. If the second and third. This may be operators who implement sequential execution, cyclical process and conditional jump. Following expressions give an idea how conditional-AND operator works in Java. It has the lowest priority of all other python operators. Ternary/Conditional Operator; Reachability of Statements; if statement. Android Environment Setup - Download, install and configure the necessary software. If we use this operator, the value will be changed to “false”. The operator == and the method equals() perform identically. Now I would like to find one element of the list with type “C” and read out the value. In Java, there is a variable type for Boolean values: boolean user = true; So instead of typing int or double or string, you just type boolean (with a lower case "b"). This determines which operator needs to be evaluated first if an expression has more than one operator. Conditional operators. The ternary operator. That material is not covered here because you use EL expressions just like you use their Java equivalents. Worth noting that there are plenty of supersets of java - jump, pizza, etc. The ternary conditional operator ?: allows us to define expressions in Java. true : anything is short-circuit evaluated to true. You can do this in Java using conditional logic. Java Ternary Operator (?:) or Conditional Operator Explained. For instance 10 % 3 is 1 because 10 divided by 3 leaves a remainder of 1. Before you learn about ternary operator, you need to understand ifelse statement in Java. Java Strings. C# does not use the word and. The Conditional Operator (? You can call this a one line if-statement. WAP in java to check whether the entered year is leap year or not using conditional operators. It's called the conditional operator. Meaning one had to be a subtype of (or same type as) the other. Language: In Visual Basic, we are using Conditional Operators to evaluate a condition that applied to one or two boolean expressions. Java's logical operators are split into two subtypes, relational and conditional. It is used to help reduce the need for multiple OR conditions in a SELECT, INSERT, UPDATE, or DELETE statement. net and their equivalent operators, the conditional operator ? : and the null coalescing operator ??. An expression returning a value if the that expression is true and a different one if the expression is evaluated as false. In the previous lesson, we saw only how to perform the operations and how to get the results, not how to use them. These are predefined conditional compilation variables you can use to test for certain aspects of IE or the computer at large:. …The first operand is a condition, it's ternary,…so it has three operands. And from left to right, with the left having higher precedence. LINQ Reporting Engine Supports Null-Conditional Operators in Template Expressions in Aspose. Relational and conditional operators in Java attempt to ascertain the truth value — whether something is true or not — of an expression. It's a ternary operator -- that is, it has three operands -- and it comes in two pieces, ? and :, that have to be used together. Conditional operators allow us to perform different types of actions according to different conditions. Binary logical operators have lower precedence than relational operators (they will be evaluated after) NOT has the same precedence as negation. As example - If in condition (A && B), expression A evaluates to false then result is false even if expression B evaluates to true. Over a million developers have joined DZone. Dynamic and Conditional grouping in SQL queries – for flexible results from single query (oh and a useful case for the CUBE operator) 3 By Lucas Jellema on November 22, 2008 Database , Databases , IT , Oracle , PL/SQL. The switch statement. Here are two examples: var browser=(navigator. JavaScript Operators. The conditional operator version, however, is more compact and, depending on the compiler, may result in more compact program code. However, If I change the initial build step to return 1, none of the other steps are executed, Jenkins just marks the build as failed and stops. Well, there are a couple of ways to check if a number is even or odd without using modulus operator. The result of the operation is either true or false. On the other hand, the expression 3 + 4. Conditional execution. DAT) and are non empty files and moves these files to a diff. And what does in “a natural way” mean? Think about this while you’re programming: This example shows the programmer wandering into an if statement without a clue about what to do next. After reading JLS 15. Watch this video to learn how to use conditional operators in C++. - that give you conditional compilation, closures, templates, operator overloading and various other nonstandard bits and pieces that still generate jvm bytecode. It's one of those elements of C that people either really love or really hate. The difference is that if merely executes the respective block, whereas ? : is evaluated to the respective result:. Many new functions and operators have been added, features like importing java classes and calling static methods from within DataWeave enriches overall DataWeave usability and power. Design of Binary to Excess3 Code Converter using Conditional Operator (Data Flow Modeling Style). In the previous lesson, we saw only how to perform the operations and how to get the results, not how to use them. [Soot-list] "Operands in conditional operator does not match" using Soot eclipse plug-in Joe Siponen joe. You can use % just as you might use any other more common operator like + or -. As example - If in condition (A && B), expression A evaluates to false then result is false even if expression B evaluates to true. The ternary operator has a lower precedence than logical operators and most other operators. The conditional expression has lower precedence than virtually all the other operators, so parentheses are needed to group it by itself. 0; or String , starting in J2SE 7. Long", otherwise there won't be a question. using conditional operator” offforplaceinhistory March 22, 2013 Somebody necessarily assist to make severely articles I might state. Recall our MovingBall program of Figure 6. 0 will definitely improve the productivity of the developers by reducing lines of code. In a single line of code, the Java ternary operator let's you assign a value to a variable based on a boolean expression — either a boolean field, or a statement that evaluates to a boolean result. Assignment Operators The addition is : 30 The subtraction is : 10 The multiplication is : 200 The division is : 10 The remainder is : 10 The result of AND operation : 0 The result of Bitwise inclusive OR operation : 20 The result of Signed left shift operation : 20971520. of bugs in code keeping the code clean. There are eleven compound assignment operators in java. x, JavaScript, and other object-capable scripting languages. They are also called as Ternary Operator. Operators that evaluate one or more Observables or items emitted by Observables. The name comes from the inventor, George Boole who discussed the idea of a boolean in great detail. Here we will discuss about conditional Operators. Chapter 7 Expressions and Assignment Statements Introduction Expressions are the fundamental means of specifying computations in a programming language. And there are numerous compilers for other languages - prolog, scheme, etc. Example 1- Conditional Operator. Worth noting that there are plenty of supersets of java - jump, pizza, etc. Ben Nadel shares his code formatting approach to the Conditional Ternary Operator in languages like ColdFusion and JavaScript. That material is not covered here because you use EL expressions just like you use their Java equivalents. The operators are largely designed to be stable (i. However, If I change the initial build step to return 1, none of the other steps are executed, Jenkins just marks the build as failed and stops. The associativity of conditional operator is from right to left (see Operator Precedence in C). Operators In Java. if-else statement 4. They also called as ?: operator. T o further enhance your if statements you can use the so-called logical operators. It can be done using the ternary/binary If operators in vb. Java's bitwise operators operate on individual bits of integer (int and long) values. is an expression that assigns x the value 7. The name comes from the inventor, George Boole who discussed the idea of a boolean in great detail. Another classification is based on the type of operation they perform. Specifically, this lesson discusses how to work with conditional operators when writing code in the Java programming language. In computer programming and at the command line, an operator is an object that is capable of manipulating a value or operator. Not only this, it may also reduce the possible no. java,performance,object. , they do not prevent the JVM from exiting (even if the daemon thread itself is running) when all the user threads (non-daemon threads) finish their execution. the ternary conditional operator must be used as part of an expression, not as a statement of its. Java Syntax. The ternary operator is probably the saddest operator in the world. General Data Protection Regulation (GDPR) On May 25, 2018, a new privacy law called the General Data Protection Regulation (GDPR) takes effect in the European Union (EU). This is especially helpful when there's nesting, because the leading "if" disambiguates the meaning. Optional in Java conditional operator leads to NullPointerException I have a List<> of an Dto containing two parameters: type and value. Java Control statements control the order of execution in a java program, based on data values and conditional logic. Types of Decision Making Statements in Java: if statement; if. Approach 1: (Using short-circuiting in Boolean expressions) The idea is to take advantage of short-circuiting in Boolean expressions. In Java, we can use booleans to create. The conditional branch operator can be composite, that is, contain other operators. We know that in Boolean AND operation such as x && y, y is evaluated only if x is true. Instead, BeanShell allows you to script objects as "method closures", similar to the way it is done in Perl 5. 5 Posted on May 18, 2018 by Awais Hafeez We are pleased to announce the new monthly release of Aspose. The modulus operator, % returns the remainder of a division operation. Most people don't know its. Needless to say, if PHP picked up any more ternary operators, this will be a problem. 1, September 2000) 1 Overview At this point in the course, you should be reasonably familiar with the basic concepts of MIPS assembly. To explain the ternary operator in PowerShell, let's first start off with an example of an if/then construct. So, the ternary conditional operator,…it's like a shortcut, if else,…but it's just for assigning a value. Conditional operators in java Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The "AND" operator is a logical operator that turns two true/false values into a single true or false value. It's a ternary operator -- that is, it has three operands -- and it comes in two pieces, ? and :, that have to be used together. C# operator can help shorten parts of code to make it more compact and elegant. Home Java – A Practical Approach Conditional Operators. siponen at gmail. arithmetic operators. In the following example, this operator should be read as: "If someCondition is true, assign the value of num1 to result. Recall our MovingBall program of Figure 6. All the other operators have names, such as addition, unary negation, or binary negation, but this one is only described by its syntax. 1: Relational operators. Instead of using the ternary operator to handle a null value and set the default values, you can use the. Operator with higher precedence at the top and lower precedence at. But theoretically there could be another ternary operator, whereas there can only be one conditional operator. Chapter 7 Expressions and Assignment Statements Introduction Expressions are the fundamental means of specifying computations in a programming language. These are: These are: The == operator tests if two values are equal to each other. It has multiple precedence levels and both right and left associative operators. The following illustrates an example of ternary operator in Java. The operator == and the method equals() perform identically. Conditional Operators amb( ) — given two or more source Observables, emits all of the items from the first of these Observables to emit an item defaultIfEmpty( ) — emit items from the source Observable, or emit a default item if the source Observable completes after emitting no items. " You can also try any standard book on Java. [Soot-list] "Operands in conditional operator does not match" using Soot eclipse plug-in Joe Siponen joe. Design of Binary to Excess3 Code Converter using Conditional Operator (Data Flow Modeling Style). assignment operator. Java Conditional Operators Java has the conditional operator. Interesting BNF methodology but still not really clear how exactly BNF works after checking out some tutorial. Java Notes: Bitwise Operators. They evaluate to boolean values, true or false. You could use an if / else statement, but in many cases the ternary operator is more convenient. The first operand is a condition, it's ternary, so it has three operands. So, the ternary conditional operator,…it's like a shortcut, if else,…but it's just for assigning a value. Operator Meaning == is equal to >= is greater than or equal to <= is less than or equal to < is less than > is greater than!= is not equal to Table 5. The questions on this quiz might not appear in any quiz or test that does count toward your grade. using conditional operator” offforplaceinhistory March 22, 2013 Somebody necessarily assist to make severely articles I might state. The expression [A,B] is an array formed by concatenating A and B, which can be scalars or arrays, along the first dimension. Java has a neat feature. Code, Example for Boolean Operators in Java. ( на русском, 日本) Let’s begin with a funny tweet: The ‘c’ at the end is for the lowly comma operator. If the question is true, it will return the value of answer1; otherwise, it will return the value of answer2. If A is false, then Java does not evaluate B. The conditional operator is used to handling simple situations in a line. If the first argument evaluates to false, then the third argument is evaluated. Dynamic creation of objects vs storing them as fields. They are used to give values to variables. The null conditional operator also unwraps the nullable variable. Java Ternary Operator. When the objects are of different classes, the string representations are obtained by calling toString() for each object and then. Ternary Operator. Code, Example for Boolean Operators in Java. Conditional Operators amb( ) — given two or more source Observables, emits all of the items from the first of these Observables to emit an item defaultIfEmpty( ) — emit items from the source Observable, or emit a default item if the source Observable completes after emitting no items. if (condition) {. If the second and third. Nesting of ternary operators as above is possible right? how many levels we can do? Any good explanation, links on theses nested nesting of conditional ternary operator. The modulus operator works on integers (and integer expressions) and yields the remainder when the first operand is divided by the second. Otherwise, assign the value of num2 to result. Transfer statements: break, continue, return, try-catch-finally and assert. else statement. Conditional operators in java Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The operators in this table are listed in precedence order: the higher in the table an operator appears, the higher its precedence. If any operator is used on three operands or variable is known as Ternary Operator. The ternary operator (known as the conditional operator in C++) cannot be overloaded because it is impossible to pass a test operand and two expression operands (either or both of which may be. For instance one common operation is setting the value of a variable to the maximum of two quantities. Processing is a flexible software sketchbook and a language for learning how to code within the context of the visual arts. Other Interesting Articles in Java: Develop a game application in CORBA for which the player will guess a number between 1 to 100, which will be compared to the random number generated b. Java has several comparison operators, all of which operate on two numerical values and result in a boolean value. Creating New Project. This operator is also known as the ternary operator because it uses three operands. If the condition is true then it will print name else age from the above declaration. If the condition stated in the parentheses evaluates to true, then the statements are executed, otherwise the statements in the if block are skipped. Sometimes it’s called “ternary”, because the operator has three operands. Compression : Occasionally, you may want to implement a large number of Boolean variables, without using a lot of space. These are predefined conditional compilation variables you can use to test for certain aspects of IE or the computer at large:. If the second and third. You are here : Home / Core Java Tutorials / Core Java tutorial in detail. If A is true, then Java evaluates B. Java Boolean Logical Operators This tutorial will take you step by step through the process of understanding and using operators that act on boolean operands. Conditional Operators [ ?: ] : Ternary Operator Statement in C. Here are two examples: var browser=(navigator. In Java, there is a variable type for Boolean values: boolean user = true; So instead of typing int or double or string, you just type boolean (with a lower case "b"). A nd is written as && and is used when you want to check if more than one condition is true. 87 videos Play all Java (Beginner) Programming Tutorials thenewboston Characters, Symbols and the Unicode Miracle - Computerphile - Duration: 9:37. Now can you answer why? To be honest, I was a surprised by such an outcome, but apparently, according to JLS that is correct behaviour. If the first argument evaluates to false, then the third argument is evaluated. This operator is also known as the ternary operator because it uses three operands. The "AND" operator is a logical operator that turns two true/false values into a single true or false value. Even though it’s simple, it has a full gamut of operators: prefix (+, -, ~, !), postfix (!), infix (+, -, *, /, ^), and even a mixfix conditional operator (?:). The ?: operator returns one of two values depending on the result of an expression. If you continue browsing the site, you agree to the use of cookies on this website. These operators cause the immediate statement in which they are contained to return a Boolean value of either true or false. It is due to:. Assignment Operators. ← Conditional Statement in Java|set 1 Java Logical Operators → 1 thought on “ Conditional Statement in Java|set 2 ” Pingback: JAVA For Android Developer– Tutorial, Examples, And Programs | hellotech. Instead of using the ternary operator to handle a null value and set the default values, you can use the. The ternary operator is the simple one liner statement of an if-then-else statement. what is a conditional statement as it relates to java programming. between a program to display message according to marks ob. This may be operators who implement sequential execution, cyclical process and conditional jump. Used for logical "not" operation, condition Local operators or used along with if statements and while loops to check multiple criterias. Conditional-AND – In case of && operator in Java if any of the two boolean expression is false then the result is false. Chapter 7 Expressions and Assignment Statements Introduction Expressions are the fundamental means of specifying computations in a programming language. value to return when condition is not met. CONDITIONAL OPERATORS. JAVA Programming Assignment Help, Java conditional operator expression, Question: a) Change the following example, using the Java's conditional operator expression, to solve the duplication problem. Conditional Ternary Operator A conditional operator is a ternary (3 - operand) operator. 13) When a string literal is used in the program, Java automatically creates instances of the string class. _visible = FALSE;. It is simple a short form. The ternary operator is an operator that takes three arguments. The fact-checkers, whose work is more and more important for those who prefer facts over lies, police the line between fact and falsehood on a day-to-day basis, and do a great job. Today, my small contribution is to pass along a very good overview that reflects on one of Trump’s favorite overarching falsehoods. Namely: Trump describes an America in which everything was going down the tubes under  Obama, which is why we needed Trump to make America great again. And he claims that this project has come to fruition, with America setting records for prosperity under his leadership and guidance. “Obama bad; Trump good” is pretty much his analysis in all areas and measurement of U.S. activity, especially economically. Even if this were true, it would reflect poorly on Trump’s character, but it has the added problem of being false, a big lie made up of many small ones. Personally, I don’t assume that all economic measurements directly reflect the leadership of whoever occupies the Oval Office, nor am I smart enough to figure out what causes what in the economy. But the idea that presidents get the credit or the blame for the economy during their tenure is a political fact of life. Trump, in his adorable, immodest mendacity, not only claims credit for everything good that happens in the economy, but tells people, literally and specifically, that they have to vote for him even if they hate him, because without his guidance, their 401(k) accounts “will go down the tubes.” That would be offensive even if it were true, but it is utterly false. The stock market has been on a 10-year run of steady gains that began in 2009, the year Barack Obama was inaugurated. But why would anyone care about that? It’s only an unarguable, stubborn fact. Still, speaking of facts, there are so many measurements and indicators of how the economy is doing, that those not committed to an honest investigation can find evidence for whatever they want to believe. Trump and his most committed followers want to believe that everything was terrible under Barack Obama and great under Trump. That’s baloney. Anyone who believes that believes something false. And a series of charts and graphs published Monday in the Washington Post and explained by Economics Correspondent Heather Long provides the data that tells the tale. The details are complicated. Click through to the link above and you’ll learn much. But the overview is pretty simply this: The U.S. economy had a major meltdown in the last year of the George W. Bush presidency. Again, I’m not smart enough to know how much of this was Bush’s “fault.” But he had been in office for six years when the trouble started. So, if it’s ever reasonable to hold a president accountable for the performance of the economy, the timeline is bad for Bush. GDP growth went negative. Job growth fell sharply and then went negative. Median household income shrank. The Dow Jones Industrial Average dropped by more than 5,000 points! U.S. manufacturing output plunged, as did average home values, as did average hourly wages, as did measures of consumer confidence and most other indicators of economic health. (Backup for that is contained in the Post piece I linked to above.) Barack Obama inherited that mess of falling numbers, which continued during his first year in office, 2009, as he put in place policies designed to turn it around. By 2010, Obama’s second year, pretty much all of the negative numbers had turned positive. By the time Obama was up for reelection in 2012, all of them were headed in the right direction, which is certainly among the reasons voters gave him a second term by a solid (not landslide) margin. Basically, all of those good numbers continued throughout the second Obama term. The U.S. GDP, probably the single best measure of how the economy is doing, grew by 2.9 percent in 2015, which was Obama’s seventh year in office and was the best GDP growth number since before the crash of the late Bush years. GDP growth slowed to 1.6 percent in 2016, which may have been among the indicators that supported Trump’s campaign-year argument that everything was going to hell and only he could fix it. During the first year of Trump, GDP growth grew to 2.4 percent, which is decent but not great and anyway, a reasonable person would acknowledge that — to the degree that economic performance is to the credit or blame of the president — the performance in the first year of a new president is a mixture of the old and new policies. In Trump’s second year, 2018, the GDP grew 2.9 percent, equaling Obama’s best year, and so far in 2019, the growth rate has fallen to 2.1 percent, a mediocre number and a decline for which Trump presumably accepts no responsibility and blames either Nancy Pelosi, Ilhan Omar or, if he can swing it, Barack Obama. I suppose it’s natural for a president to want to take credit for everything good that happens on his (or someday her) watch, but not the blame for anything bad. Trump is more blatant about this than most. If we judge by his bad but remarkably steady approval ratings (today, according to the average maintained by 538.com, it’s 41.9 approval/ 53.7 disapproval) the pretty-good economy is not winning him new supporters, nor is his constant exaggeration of his accomplishments costing him many old ones). I already offered it above, but the full Washington Post workup of these numbers, and commentary/explanation by economics correspondent Heather Long, are here. On a related matter, if you care about what used to be called fiscal conservatism, which is the belief that federal debt and deficit matter, here’s a New York Times analysis, based on Congressional Budget Office data, suggesting that the annual budget deficit (that’s the amount the government borrows every year reflecting that amount by which federal spending exceeds revenues) which fell steadily during the Obama years, from a peak of $1.4 trillion at the beginning of the Obama administration, to $585 billion in 2016 (Obama’s last year in office), will be back up to $960 billion this fiscal year, and back over $1 trillion in 2020. (Here’s the New York Times piece detailing those numbers.) Trump is currently floating various tax cuts for the rich and the poor that will presumably worsen those projections, if passed. As the Times piece reported: