Java基础代码-电话本制作

package p1; //import java.util.Vector; import java.util.Scanner; public class Add__check { public static Person[] per=new Person[100]; // Vector<Person> pv = new Vector<Person>(); static Scanner sc = new Scanner(System.in); public static int n = -1; //妈蛋的，这里一定要加static - - public void add(){ n++; Person p; System.out.print("姓名:"); String name=sc.next(); // p.setName(name); System.out.print("性别:"); String sex=sc.next(); // p.setSex(sex); System.out.print("年龄:"); String age=sc.next(); // p.setAge(age); System.out.print("电话:"); String phone=sc.next(); // p.setPhone(phone); System.out.print("QQ:"); String qq=sc.next(); // p.setQq(qq); System.out.print("地址:"); String address=sc.next(); // p.setAddress(address); p=new Person(name,sex,age,phone,qq,address); per[n] = p; System.out.println(per[n].toString()); System.out.println("添加成功！"); } public void all() { for (int i = 0; i <= n; i++) { //Person p=new Person(); System.out.println(per[i].toString()); } } public void byName() { System.out.print("请输入要查询联系人的姓名:"); String findName = sc.next(); for ( int i = 0; i <= n; i++) { if (per[i].getName().equals(findName)) { System.out.println(per[i].toString()); } } } public void update() { System.out.print("请输入要修改的电话簿的姓名:"); String findName = sc.next(); for (int i = 0; i <= n; i++) { if (per[i].getName().equals(findName)) { System.out.print("姓名："); per[i].setName(sc.next()); System.out.print("性别："); per[i].setSex(sc.next()); System.out.print("年龄："); per[i].setAge(sc.next()); System.out.print("电话号码："); per[i].setPhone(sc.next()); System.out.print("QQ："); per[i].setQq(sc.next()); System.out.print("地址："); per[i].setAddress(sc.next()); System.out.println(per[i].toString()); } } } public void delect(){ System.out.print("请输入要删除的联系人的姓名:"); String findName = sc.next(); int y_n; for (int i = 0; i <= n; i++) { if (per[i].getName().equals(findName)) { System.out.println(per[i].toString()); System.out.println("是否进行删除：1 是 2否"); y_n = sc.nextInt(); if (y_n==1) { int j; for(j = i; j <= n; j++) { per[j] = per[j + 1]; } per[j+1] = null; System.out.println("删除成功！"); } }else{ System.out.println("你输入的号码不存在!"); } } } }