客户数据（类的调用）

 1 package com.qingdaoligong.jierui;
 2 public class CustomerBiz {
 3     String[] shuzu = new String[5];
 4     int j;
 5     boolean qw = false;//定义一个布尔变量
 6     boolean qw1 = false;//定义一个布尔变量
 7     public void addName(String name1, int i) {
 8         shuzu[i] = name1;
 9     }
10     public void showName() {
11         System.out.println("*******************");
12         System.out.println("\t客户信息表");
13         System.out.println("*******************");
14         for (String x : shuzu) {                        //依次输出数组内信息
15             System.out.print("客户:" + x);
16         }
17         System.out.print("\n");
18     }
19     public boolean search(int start, int end, String name2) {
20         for (int k = start; k < end; k++) {                //在指定索引范围内循环
21             if (shuzu[k].equals(name2)) {
22                 qw = true;
23                 break;
24             }
25         }
26         return qw;//返回一个布尔数据
27     }
28     public boolean search1(String name3,int i) {
29           for(int j=0;j<i;j++){
30               if(shuzu[j].equals(name3)){
31                   qw1=true;
32                   break;
33               }
34           }
35           return qw1;
36     }
37 }

 1 package com.qingdaoligong.jierui;
 2 import java.util.Scanner;
 3 public class CustomerBizTest {
 4     public static void main(String[] args) {
 5         String name1 = "0";
 6         String name2;
 7         String name3;
 8         Scanner input = new Scanner(System.in);
 9         CustomerBiz name = new CustomerBiz();
10         String Y = "n";
11         int i = 0;
12         do {
13             Y = "n";
14             System.out.print("请输入客户的姓名：");
15             name1 = input.next();
16             name.addName(name1, i);//调用addName方法
17             i++;
18             System.out.print("继续输入吗？（y/n）:");
19             Y = input.next();
20         } while (Y.equals("y"));
21         name.showName();
22         System.out.println("请输入需要查找的客户姓名：");
23          name3=input.next();
24          boolean chazhao = name.search1(name3, i);
25          if(chazhao){
26              System.out.println("找到了：");
27          }else{
28              System.out.println("没有找到了");
29          }
30         System.out.println("请输入姓名：");
31         name2 = input.next();
32         System.out.println("开始索引：");
33         int start = input.nextInt();
34         System.out.println("结束索引：");
35         int end = input.nextInt();
36         boolean result = name.search(start, end, name2);
37         if(result){
38             System.out.println("找到该学生");
39         }else{
40             System.out.println("没找到该学生");
41         }
42         input.close();
43     }
44 }