Friend类：public class Friend {
/*
* 姓名
*/
private String name;
* 电话
private String telephone;
* 邮箱
private String email;
* 公司
private String company; public String getName() {
return name;
} public void setName(String name) {
this.name = name;
} public String getTelephone() {
return telephone;
} public void setTelephone(String telephone) {
this.telephone = telephone;
} public String getEmail() {
return email;
} public void setEmail(String email) {
this.email = email;
} public String getCompany() {
return company;
} public void setCompany(String company) {
this.company = company;
} public String toString() {
StringBuffer str = new StringBuffer(); str.append("姓名：" + name).append("\n");
str.append("电话：" + telephone).append("\n");
str.append("邮箱：" + email).append("\n");
str.append("公司：" + company).append("\n");
str.append("-----------------------------------------\n");
return str.toString();
}
}AddFriend类：public class AddFriend { /**
* 主方法 程序的入口
public static void main(String[] args) {
ListFriend friendList = new ArrayListFriend();
char isGo = 'Y';
int i = 0;
do {
Friend friend = new Friend();
System.out.println("请输入第" + (i + 1) + "位朋友的姓名：");
InputStreamReader reader = new InputStreamReader(System.in);
String str = "";
try {
str = (new BufferedReader(reader)).readLine();
} catch (IOException e) {
e.printStackTrace();
friend.setName(str); System.out.println("请输入第" + (i + 1) + "位朋友的电话："); try {
if (str.matches("\\d*") str.length() == 11) {// 判断用户输入的电话是否符合标准
friend.setTelephone(str);
} else {
System.out.println("电话号码输入有误,请重新输入！");
continue;
} System.out.println("请输入第" + (i + 1) + "位朋友的邮箱："); try {
friend.setEmail(str); System.out.println("请输入第" + (i + 1) + "位朋友的公司："); try {
friend.setCompany(str); friendList.add(friend); i++; System.out.println("是否继续添加?(Y/N):");
String go = "";
go = (new BufferedReader(reader)).readLine();
isGo = go.charAt(0);
} while (isGo == 'Y' || isGo == 'y'); for (int j = 0; j friendList.size(); j++) {
System.out.println(friendList.get(j).toString());
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;
public class AddList {
private String filePath = "";
private String bakPath = "";
private String content = "";
Scanner sc = new Scanner(System.in);
public String readFile(){
content = "";
if (isNull(filePath)) {
System.out.println("文件存储路径：");
filePath = sc.nextLine();
File file = new File(filePath);
FileReader fr = null;
if (file.exists()) {
fr = new FileReader(file);
int n = 0;
while((n = fr.read(chars)) != -1){
String string = new String(chars, 0, n);
content = content + string;
System.out.println("文件不存在");
} catch (Exception e) {
} finally {
if (fr != null) {
fr.close();
return content;
public void writeFile(String path){
File file = new File(path);
FileOutputStream fos = null;
mkDirs(path);
fos = new FileOutputStream(file);
BufferedOutputStream bos = new BufferedOutputStream(fos);
PrintWriter pw = new PrintWriter(bos, true);
pw.print(content);
pw.flush();
} catch (FileNotFoundException e) {
if (fos != null) {
fos.close();
public void writeFile(){
mkDirs(filePath);
public void mkDirs(String filepath){
if (filepath.indexOf("\\") != -1) {
filepath = filepath.replaceAll("\\", "/");
int n = filepath.indexOf("//");
String path = filepath.substring(0, n) + "//";
filepath = filepath.substring(filepath.indexOf("//") + 1, filepath.length());
String[] files = filepath.split("/");
for (int i = 0; i files.length - 1; i++) {
path = path + files[i];
if (!file.exists()) {
file.mkdir();
public void addImfor(){
System.out.println("--------增加记录---------");
String name = "";
String tel = "";
String email = "";
content = readFile();
while(true){
System.out.println("姓名：");
name = sc.next();
System.out.println("电话：");
tel = sc.next();
System.out.println("Email：");
email = sc.next();
content = content + name + "" + tel + "" + email +"==";
System.out.println("0、Exit 1、继续");
int i = sc.nextInt();
if (i == 0) {
break;
writeFile();
public void deleteImfor(){
System.out.println("---------删除记录---------");
String[] imfors = null;
System.out.println("你要删除的姓名是：");
if (content.indexOf(name) != -1) {
imfors = content.split("==");
for (int i = 0; i imfors.length; i++) {
if (imfors[i].indexOf(name) != -1) {
imfors[i] = "";
具体方法如下：
①.、定义封装一条记录的实体类
class Contact {
String cellPhone;
String name;
public class Main {
private static void menu () {
System.out.println("************** 菜单 ******"
+ "************");
System.out.println(" 1.显示全部通讯录");
System.out.println(" 0.退出");
Scanner scn = new Scanner(System.in);
int size = 0;
String cmd = "";
menu();
cmd = scn.nextLine();
if (cmd.equals("1")) {
if (size == 0)
System.out.println("系统当前无记录！");
else
for (int i = 0; i size; i++) {
System.out.println(contacts[i].name + ":"
+ contacts[i].cellPhone);
System.out.print("请输入手机号：");
String cellphone = scn.nextLine();
System.out.print("请输入姓名：");
String name = scn.nextLine();
Contact contact = new Contact();
contact.cellPhone = cellphone;
contact.name = name;
if (size contacts.length) {
contacts[size++] = contact;
System.out.println("添加成功！");
System.out.println("你最多只能添加" +
contacts.length + "条记录");
System.out.print("请输入要删除的手机号：");
int index = -1;
for (int i = 0; i size i contacts.length;
i++) {
if (contacts[i].cellPhone.equals(cellphone)) {
index = i;
if (index == -1) {
System.out.println("该记录不存在！");
for (int i = index; i size; i++) {
contacts[index] = contacts[index + 1];
contacts[size - 1] = null;
size--;
System.out.println("删除成功！");
System.out.print("请输入要修改的手机号：");
contacts[index].name = name;
} while (!cmd.equals("0"));
System.out.println("退出成功！");
scn.close();
System.exit(0);
以上就是土嘎嘎小编为大家整理的java简易通讯录源代码相关主题介绍,如果您觉得小编更新的文章只要能对粉丝们有用,就是我们最大的鼓励和动力,不要忘记讲本站分享给您身边的朋友哦！！