1 class Super1 {2 public int x = 9;3 }4 5 public class STest5 extends Super1{6 7 public int x = 8;8 9 public static void main(String [] args){10 STest5 st5 = new STest5();11 st5.run();12 }13 14 public void run(){15 System.out.println("this x: "+this.x);16 System.out.println("super x: "+super.x);17 }18 }19