What is if statement in Java with example?

The Java if statement is the most simple decision-making statement. It is used to decide whether a certain statement or block of statements will be executed or not i.e if a certain condition is true then a block of statement is executed otherwise not. Control falls into the if block.

What is an example of an if statement?

An if statement is a programming conditional statement that, if proved true, performs a function or displays information. In the example above, if the value of X were equal to any number less than 10, the program displays, “Hello John” when the script is run.

What is the syntax of if statement in Java?

Syntax. if(Boolean_expression 1) { // Executes when the Boolean expression 1 is true }else if(Boolean_expression 2) { // Executes when the Boolean expression 2 is true }else if(Boolean_expression 3) { // Executes when the Boolean expression 3 is true }else { // Executes when the none of the above condition is true. }

How do you start writing an if statement in Java?

Syntax:

1. if(condition1){
2. //code to be executed if condition1 is true.
3. }else if(condition2){
4. //code to be executed if condition2 is true.
5. }
6. else if(condition3){
7. //code to be executed if condition3 is true.
8. }

What is ?: In Java?

The ternary conditional operator ?: allows us to define expressions in Java. It’s a condensed form of the if-else statement that also returns a value.

What are the types of IF statement?

There are three forms of IF statements: IF-THEN , IF-THEN-ELSE , and IF-THEN-ELSIF . The simplest form of IF statement associates a Boolean expression with a sequence of statements enclosed by the keywords THEN and END IF . The sequence of statements is executed only if the expression returns TRUE .

What is string [] Java?

A Java string is a sequence of characters that exist as an object of the class java. Java strings are created and manipulated through the string class. Once created, a string is immutable — its value cannot be changed.

What are types of conditional statements in Java?

Statement

What is if else in Java?

If-else statement in java is used for conditional checks for decision making. You can have multiple hierarchies of if-else statements. Once any of the if or else-if condition satisfies it executes the block of statements corresponding to it.

Is there a goto statement in Java?

Java has no goto statement. Studies illustrated that goto is (mis)used more often than not simply “because it’s there”. Eliminating goto led to a simplification of the language–there are no rules about the effects of a goto into the middle of a for statement, for example.

What does IF THEN statement mean?

The if-then Statement. The if-then statement is the most basic of all the control flow statements. It tells your program to execute a certain section of code only if a particular test evaluates to true. For example, the Bicycle class could allow the brakes to decrease the bicycle’s speed only if the bicycle is already in motion.