public class Scope{
    // The variables below (x and y) are global variabes
    // All three methods (Scope, test and main) have access to x and y
    private static int x = 10; 
    private int y; 
    public Scope(int y){
        this.y = y;
    }

    public void test() { 
        int x = 20; // local variable - valid only for the test method
        int y = 20; // local variable - valid only for the test method
        System.out.println("x = " + x);
        System.out.println("y = " + y);
        multiply(y);
        System.out.println("this.y = " + this.y);   
        System.out.println("Scope.x = " + Scope.x);
    }

    public void multiply(int y){
        this.y = y * 10;
    }

    public static void main (String args[]){
        Scope s = new Scope (10);
        s.test();
    }
}