本文實例為大家分享了Java通訊錄系統的具體代碼,供大家參考,具體內容如下
import java.util.Scanner;class Person { String name; String number; }class connect{ Person a[]; int number; public connect() { a=new Person[100]; number=0; } public String add(String name,String number) { if(number == "0") System.out.println("請先添加聯繫人!"); if(this.number>99) return "添加失敗"; a[this.number]=new Person(); a[this.number].name=name; a[this.number].number=number; this.number++; return "添加成功"; } public Person seek(String name) { if(number == 0) System.out.println("請先添加聯繫人!"); for(int i=0;i<number;i++) { if((a[i].name).equals(name)) { System.out.println("聯繫人: "+a[i].name+" 電話:"+a[i].number); return a[i]; } } return null; } public void look() { if(number == 0) System.out.println("請先添加聯繫人!"); for(int i=0;i<number;i++) { System.out.println("聯繫人"+a[i].name+" 電話"+a[i].number); } } public String delete(String name) { if(number == 0) System.out.println("請先添加聯繫人:"); for(int i=0;i<number;i++) { if((a[i].name).equals(name)) { a[i]=a[this.number-1]; number=number-1; return "刪除成功"; } } return "刪除失敗"; }}public class text1{ public static void main(String[]args) { Scanner sc=new Scanner(System.in); Scanner input = new Scanner(System.in); System.out.println("/t/t/t歡迎使用通訊錄系統/n"); System.out.println("/t/t/t1.創建用戶/n/n/t/t/t2.退出/n"); System.out.println("____________________________________________________________________/n/n"); System.out.print("請選擇相應選項:"); int num2 = sc.nextInt(); while(num2!=2) { switch (num2) { case 1: { connect c = new connect(); System.out.println("/t/t/t1.瀏覽/n");System.out.println("/t/t/t2.查找/n"); System.out.println("/t/t/t3.添加/n");System.out.println("/t/t/t4.刪除/n"); System.out.println("/t/t/t5.退出/n");System.out.println("請選擇相應選項:"); System.out.println("輸入指令:"); int num1 = input.nextInt(); switch (num1) { case 1:c.look();break; case 2: { System.out.println("輸入查找的名字:"); String n1 = sc.next();c.seek(n1); }break; case 3: { System.out.println("輸入要添加的人數:"); System.out.println("enter:"); int s=sc.nextInt(); for(int i=0;i<s;i++) { System.out.println("請輸入第"+(i+1)+"個人的名字:"); String name=sc.next(); String number=sc.next(); c.add(name,number); } }break; case 4: { System.out.println("輸入刪除的姓名:"); String n3 = sc.next();c.delete(n3); }break; default: { System.out.println("/t/t/t謝謝您的使用/n"); System.exit(0); } } }break; case 2:System.out.println("/t/t/t謝謝您的使用/n");break; default:System.out.println("輸入有誤!");num2=2; } } }}以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支持武林網。