parameter.java

public class PassingParameters
{
   static  int xs = 5;

     public static void main(String[] args)
    {
        int y = 10;
        sendY(y);
        System.out.println("y " + y);
        int x = 15;
        changeX(x);
        String s = "Hello";
        changeS(s);
        
        int[] arr = {1,2,3,4};
        for (int a:arr){
            System.out.print(a + " ");
        }
        changeArr(arr);
         System.out.println("");
        for (int a:arr){
            System.out.print(a + " ");
        }
        
    }
    public static void sendY(int y)
    {
        y = y + 10;
    }
    
     public static void changeX(int x)
    {
        xs = x + 10;
        x = xs;
        System.out.println("x " + x);
    }
    
    public static void changeS(String s){
        s = "Good Bye";
    }
    
     public static void changeArr(int[] arr){
        arr[1] = 6;
    }
}