deleteCustomer

 1 public boolean deleteCustomer(int index){
 2     boolean ret=false;
 3     if(index<total && index>=0){
 4         if(customers[index].getName()!=null){          //以name作为此位置是否有Customer的判断条件
 5             if(index==9){
 6                 customers[9].setName(null);
 7                 ret=true;
 8             }else if(customers[index+1].getName()==null){    //适用于要删除的Customer在列表末尾
 9                 customers[index].setName(null);
10                 ret=true;
11             }else{
12                 int i=0;
13                 for (i=0; index+i<total; i++) {
14                     if((index+i)==9){
15                         customers[index+i]=new Customer();
16                     }else{
17                         customers[index+i]=customers[index+i+1];
18                         if(customers[index+i+1].getName()==null){
19                             break;
20                         }
21                     }                        
22                 }
23                 ret=true;
24             }
25         }
26     }else{
27         System.out.print("选择错误，请重新输入：");
28     }
29     return ret;
30 }