Javatpoint Logo
Javatpoint Logo

Java If-else Statement

The Java if statement is used to test the condition. It checks boolean condition: true or false. There are various types of if statement in java.

  • if statement
  • if-else statement
  • if-else-if ladder
  • nested if statement

Java if Statement

The Java if statement tests the condition. It executes the if block if condition is true.

Syntax:

if statement in java

Example:

Test it Now

Output:

Age is greater than 18

Java if-else Statement

The Java if-else statement also tests the condition. It executes the if block if condition is true otherwise else block is executed.

Syntax:

if-else statement in java

Example:

Test it Now

Output:

odd number

Leap Year Example:

A year is leap, if it is divisible by 4 and 400. But, not by 100.

Output:

LEAP YEAR

Using Ternary Operator

We can also use ternary operator (? :) to perform the task of if...else statement. It is a shorthand way to check the condition. If the condition is true, the result of ? is returned. But, if the condition is false, the result of : is returned.

Example:

Output:

odd number

Java if-else-if ladder Statement

The if-else-if ladder statement executes one condition from multiple statements.

Syntax:

if-else-if ladder statement in java

Example:

Output:

C grade

Program to check POSITIVE, NEGATIVE or ZERO:

Output:

NEGATIVE

Java Nested if statement

The nested if statement represents the if block within another if block. Here, the inner if block condition executes only when outer if block condition is true.

Syntax:

Java Nested If Statement

Example:

Test it Now

Output:

You are eligible to donate blood

Example 2:

Test it Now

Output:

You are not eligible to donate blood




Please Share

facebook twitter google plus pinterest

Learn Latest Tutorials


Preparation


Trending Technologies


B.Tech / MCA