SwapInt.java

public class SwapInt {
	public static void swap(int a, int b) {
		int temp = a;
		a = b;
		b = temp;
	}
	
	public static void main(String[] argv) {
		
		int c = 1;
		int d = 2;
		
		System.out.println("c: " + c);
		System.out.println("d: " + d);
		
		swap(c, d);
		
		System.out.println("c: " + c);
		System.out.println("d: " + d);
	}
}