Java Program to Swap Two Numbers Using Third Variable

Write a Write a Java program to swap of two numbers using third variable..

Source Code

class SwappingUsingThirdVar {

	public static void main(String[] args) {

		int a = 10, b=20, temp;
		
		System.out.println("Before swapping : a = "+a+" b = "+b);
		
		temp = a;
		a = b;
		b = temp;
		
		System.out.println("After swapping : a = "+a+" b = "+b);
	}
}

Output

C:\>javac SwappingUsingThirdVar.java
C:\>java SwappingUsingThirdVar
Before swapping : a = 10 b = 20
After swapping : a = 20 b = 10