简单的联系人的查找和存储。。。

Content

public class Content {
  private String name;
	private String tel;
	private String email;
	private String QQ;
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getTel() {
		return tel;
	}
	public void setTel(String tel) {
		this.tel = tel;
	}
	public String getEmail() {
		return email;
	}
	public void setEmail(String email) {
		this.email = email;
	}
	public String getQQ() {
		return QQ;
	}
	public void setQQ(String qQ) {
		QQ = qQ;
	}
}

gistfile1.java

public class Mobile {
  Content []cont=new Content[100];
	java.util.Scanner input=new java.util.Scanner(System.in);
	
	public void start(){
		System.out.println("******************");
		System.out.println("请选择要进行的操作：");
		System.out.println("1.查询姓名");
		System.out.println("2.保存姓名");
		System.out.println("退出 quit");
		System.out.println("******************");
		String index=input.next();
		if(index.equals("quit")){
			System.out.println("退出成功！");
		}else{
			if(index.equals("1")){
				findName();
			}else if(index.equals("2")){
				saveName();
			}else{
				System.out.println("操作有误，请重新选择！");
				start();
			}
		}
	}
	
	private void saveName() {
		System.out.println("请输入姓名：");
		String name=input.next();
		System.out.println("请输入电话：");
		String tel=input.next();
		System.out.println("请输入Email：");
		String email=input.next();
		System.out.println("请输入QQ号码：");
		String QQ=input.next();
		
		Content c=new Content();
		c.setName(name);
		c.setTel(tel);
		c.setEmail(email);
		c.setQQ(QQ);
		
		boolean flag=false;
		for(int i=0;i<cont.length;i++){
			if(cont[i]==null){
				cont[i]=c;
				flag=true;
				break;
			}
		}
		if(flag){
			System.out.println("保存成功！");
		}else{
			System.out.println("内存已满。保存失败！");
		}
		start();
	}
	
	private void findName() {
		System.out.println("请输入名字：");
		String name=input.next();
		Content c=null;
		for(int i=0;i<cont.length;i++){
			if(cont[i]!=null&&name.equals(cont[i].getName())){
				c=cont[i];
				break;
			}
		}
		if(c==null){
			System.out.println("您查找的用户不存在！");
		}else{
			System.out.println("******************");
			System.out.println(c.getName());
			System.out.println("电话："+c.getTel());
			System.out.println("Email："+c.getEmail());
			System.out.println("QQ："+c.getQQ());
		}
		start();
	}	
}

gistfile2.java

public class TestMobile {

  public static void main(String[] args) {
		Mobile m=new Mobile();
		m.start();
	}
}