📄 customer2.java
字号:
import java.io.*;
import java.util.*;
public class Customer2 implements Serializable {
private String name;
private Set<Order2> orders=new HashSet<Order2>();
static{
System.out.println("调用Customer2类的静态代码块");
}
public Customer2(){
System.out.println("调用Customer2类的不带参数的构造方法");
}
public Customer2(String name) {
System.out.println("调用Customer2类的带参数的构造方法");
this.name=name;
}
public void addOrder(Order2 order){
orders.add(order);
}
public String toString() {
String result=super.toString()+"\r\n"
+orders+"\r\n";
return result;
}
}
class Order2 implements Serializable {
private String number;
private Customer2 customer;
public Order2(){
System.out.println("调用Order2类的不带参数的构造方法");
}
public Order2(String number,Customer2 customer){
System.out.println("调用Order2类的带参数的构造方法");
this.number=number;
this.customer=customer;
}
}
/****************************************************
* 作者:孙卫琴 *
* 来源:<<Java网络编程精解>> *
* 技术支持网址:www.javathinker.org *
***************************************************/
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