声明两个变量，其名称与其在超类中声明的名称相同

class MySuper {

  protected int num = 100;

  protected String name = "Edith";/*来 自 n o w j a v a . c o m*/

}


class MySub extends MySuper {

  // Hides num field in MySuper class

  private int num = 200;


  // Hides name field in MySuper class

  private String name = "Mary";


  public void print() {

    System.out.println("num: " + num);

    System.out.println("name: " + name);

  }/**nowjava - 时  代  Java**/

}


public class Main {