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输入变量与实际变量相匹配
import java.util.Scanner;public class Text1{    public static void main(String [] args)    {        Scanner sc=new Scanner(System.in);        connect b=new connect();        System.out.println("请输入联系人数量");        int n=sc.nextInt();        System.out.println("请输入"+n+"个联系人姓名和电话");        for(int i=1;i<=n;i++)        {            String name=sc.next();            String number=sc.next();            System.out.println(b.add(name,number));        }        System.out.println("全部的联系人为");        b.look();        System.out.println("请输入查找姓名");        String seekname=sc.next();        if((b.seek(seekname))==null)        System.out.println("未找到");        System.out.println((b.seek(seekname)).name+" "+(b.seek(seekname)).number);        System.out.println("请输入删除姓名");        String deletename=sc.next();        System.out.println( b.delete(deletename));        System.out.println("全部的联系人为：");        b.look();    }}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(this.number>99)        return "添加失败";        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)    {        for(int i=0;i<number;i++)        {   if((a[i].name).equals(name))//输入变量与实际变量相匹配            {                return a[i];            }        }        return null;        }    public void look()    {        for(int i=0;i<number;i++)        {            System.out.println("联系人 "+a[i].name+" 电话 "+a[i].number);        }    }    public String delete(String name)    {        for(int i=0;i<number;i++)        { if((a[i].name).equals(name))          {            a[i]=a[this.number-1];            number=number-1;            return "删除成功";          }        }        return "删除失败";    }}
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