What is if else statement with example in Java?
Java if…else (if-then-else) Statement. The if statement executes a certain section of code if the test expression is evaluated to true . However, if the test expression is evaluated to false , it does nothing. In this case, we can use an optional else block.
How if else if else works in Java?
Use if to specify a block of code to be executed, if a specified condition is true. Use else to specify a block of code to be executed, if the same condition is false. Use else if to specify a new condition to test, if the first condition is false. Use switch to specify many alternative blocks of code to be executed.
What is the syntax for if else?
Syntax of if else statement: If condition returns true then the statements inside the body of “if” are executed and the statements inside body of “else” are skipped. If condition returns false then the statements inside the body of “if” are skipped and the statements in “else” are executed.
What is a == b in Java?
a==b is a condition checking or you can call it a comparison operator which checks whether the value of a and b are equal or not. Edit: the == is also used in Java with reference variables to check whether both of them are pointing to the same reference or not.
How do you use if and else statements in Java?
Java has the following conditional statements: Use if to specify a block of code to be executed, if a specified condition is true. Use else to specify a block of code to be executed, if the same condition is false. Use else if to specify a new condition to test, if the first condition is false.
What is an example of IF-THEN statement in Java?
For example, assigning grades (A, B, C) based on the percentage obtained by a student. 1. Java if (if-then) Statement The syntax of an if-then statement is: Here, condition is a boolean expression such as age >= 18.
What is the difference between else and nested IF statements?
The else statement will execute only if all the condition is false. The nested if statement contains the if statement inside the another if statement. It check the condition of the first if condition and execute the code if it is true and then check the another if statement. If the another if condition is true, it execute the statement.
What is the if-else statement in Java?
Statements inside the body of else block are executed if the test expression is evaluated to false. This is known as the if-…else statement in Java. The syntax of the if…else statement is: