deleteCustomer

public boolean deleteCustomer(int index){
    boolean ret=false;
    if(index<total && index>=0){
        if(customers[index].getName()!=null){          //以name作为此位置是否有Customer的判断条件
            if(index==9){
                customers[9].setName(null);
                ret=true;
            }else if(customers[index+1].getName()==null){    //适用于要删除的Customer在列表末尾
                customers[index].setName(null);
                ret=true;
            }else{
                int i=0;
                for (i=0; index+i<total; i++) {
                    if((index+i)==9){
                        customers[index+i]=new Customer();
                    }else{
                        customers[index+i]=customers[index+i+1];
                        if(customers[index+i+1].getName()==null){
                            break;
                        }
                    }                        
                }
                ret=true;
            }
        }
    }else{
        System.out.print("选择错误，请重新输入：");
    }
    return ret;
}