Java Object Clone User user = new User(); user.setName("tom"); User user1 = new User(); user1.setName("jerry"); List<User> list = new ArrayList<>(); list.add(user1); user.setChildren(list); user.setUser(user1); System.out.p
POJO有一些private的参数作为对象的属性.然后针对每个参数定义了get和set方法作为访问的接口.例如:public class User {private long id;private String name;public void setId(long id) {this. id = id;}public void setName(String name) {this. name=name;}public long getId() {return id;}public String
Java的Object对象中有两个方法比较有意思,一个是equals(),一个是hashCode(),那么这两个的作用有些同学可能还不是很清楚,那么同学们现在就进一步了解一下吧. 下面咱们写一个简单的测试类: /** * Created by huangqingshi on 2017/9/11. */ public class EqualHashCode { public int getId() { return id; } public void setId(int id) { this.id