package com.wxws.smsB; public class Customer { int No; int integarl; } package com.wxws.smsB; public class Customers { Customer[] customers = new Customer[100]; public void add(Customer cust) { for (int i = 0; i < customers.length; i++) { if (customers[i] == null) { customers[i] = cust; break; } } } public void show() { System.out.println("會員列表*****"); for (int i = 0; i < customers.length; i++) { if (customers[i] != null) { System.out.println(customers[i].No + "\t" + customers[i].integarl + "\t"); } } } public int find(int find) { for (int i = 0; i < customers.length; i++) { if (customers[i] != null) { if (customers[i].No == find) { System.out.println("該會員的積分爲:" + customers[i].integarl); break; } else { System.out.println("沒有該會員!"); } } } return find; } } package com.wxws.smsB; import java.util.Scanner; public class Test { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub Scanner in = new Scanner(System.in); Customers B = new Customers(); for (int i = 0; i < 5; i++) { Customer A = new Customer(); System.out.print("請輸入會員編號:"); A.No = in.nextInt(); System.out.print("請輸入會員積分:"); A.integarl = in.nextInt(); B.add(A); } B.show(); System.out.println("請輸入要查找的會員編號:"); int find=in.nextInt(); B.find(find); } }