【Java每日一题】20161209

package Dec2016;public class Ques1209 {  public static void main(String[] args){    People g = new People("张三"); // 定义监护人    People p1 = new People("儿子1", g);    People p2 = p1.clone(); // 儿子2的信息通过拷贝儿子1来的    p2.setName("儿子2");    p1.getGuarder().setName("李四"); // 将儿子1的监护人改为李四    System.out.println(p1.getName()+"的监控人是："+p1.getGuarder().getName());    System.out.println(p2.getName()+"的监控人是："+p2.getGuarder().getName());  }}class People implements Cloneable{  private String name;  private People guarder; // 监护人  /* get、set方法省略 */    public People(String name) {    this.name = name;  }  public People(String name, People guarder) {    this.name = name;    this.guarder = guarder;  }  // 拷贝实现  @Override  public People clone(){    People p = null;    try {      p = (People) super.clone();    } catch (Exception e) {      e.printStackTrace();    }    return p;  }}

原标题：【Java每日一题】20161209

关键词：JAVA