This tutorial describes the if statement in java 7. This is one kind of decision making statement.

If statement in java 7

This tutorial describes the if statement in java 7. This is one kind of decision making statement.

There are various way to use if statement with else -

If Statement :

 If statement contains one boolean condition and if it satisfied then it executes the if block statements otherwise it jumps out the if block.

Syntax :

if(condition) {
......
......//statements
}

If -Else Statement :

In if-else statement, if statement contains boolean condition and if it the condition is true the if block is executed otherwise the else block is executed.

Syntax :

if(condition) {
......
......//statements
}
else{
........
......//statements
}

Nested Ifs  statements :

In java, you can use nested if statements that means you can write if statement inside the if block.

Syntax :

if(condition1) {
if(condition2) {
....//statements
}
......
......//statements
}

Multiple Else-If statements :

In java, you can use multiple if-else statements as well as Else-If statements that means if you want to write if statement inside the else block then you can use else-if statement.

if(condition1) {
......
......//statements
}
else if(condition2){
........
......//statements
}
else{
........
......//statements
}

Example :

package decisionMaking;

class IfElseStatement {
	public static void main(String[] args) {
		int x = 20, y = 200;
		int max = 100;
		
		if (max > x) { // if statement
			System.out.println("max is greater than x.");
		} 
		else if (max > y) { // else if statement
			System.out.println("max is greater than x and y");
		} 
		else { // else statement
			System.out.println("max is less than x and y");
		}
	}
}

Output :

max is greater than x.

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