swap tw in java code example

Example 1: swap function java

public static void swap(int[] a, int i, int j){
	int temp = a[i];
  	a[i] = a[j];
  	a[j] = temp;
}

Example 2: swapping with two variables in java

public class Exercise15 {
  public static void main(String[] args) {
     // int, double, float
   int a, b;
   a = 15;
   b = 27;
   System.out.println("Before swapping : a, b = "+a+", "+ + b);
   a = a + b;
   b = a - b;
   a = a - b;
   System.out.println("After swapping : a, b = "+a+", "+ + b);
 }
 
}