Syntax import java.*; import java.io.*; import java.util.*; class swap { public static void main(String arg[]) { Scanner sc = new Scanner(System.in); System.out.println("Enter First Number : "); int n1 = sc.nextInt(); System.out.println("Enter Second Number : "); int n2 = sc.nextInt(); int temp = n1; // n1 = 10 and n2= 20 // temp=10 n1 = n2; // n1 = 20` n2 = temp; // n2 =10 System.out.println("After Swapping n1 = "+n1+" n2 = "+n2); } }
OUTPUT Enter First Number : 10 Enter Second Number : 20 After Swapping n1 = 20 n2 = 10
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