This is a very basic program in Java programming language. If you are a Java beginners or want to start learning Java programming language, then this program will help you to understand the basic Java programming. In this post, I will explain about a Java program to swap two numbers with an example.
Before executing this program I assume you have configured Java in your computer.
Copy the below program and create a file “SwapNumberProgram.java” and execute it.
public static void main(String args)
int x, y, temp;
System.out.println("Enter number x and y");
Scanner in = new Scanner(System.in);
x = in.nextInt();
y = in.nextInt();
System.out.println("Before Swapping\nx = "+x+"\ny = "+y);
temp = x;
x = y;
y = temp;
System.out.println("After Swapping\nx = "+x+"\ny = "+y);
Enter number x and y
x value: 10
y value: 20
x value: 20
y value: 10
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