java实现客户姓名添加和显示

public class CustomerBiz {

    List<User> list=null

   陆雹 public CustomerBiz() {

        list=new ArrayList<User>()

    }

    

    private void addName(String name) {

        User user=new User(name)

        list.add(user)

    }

    

    private void showNames() {

        System.out.println("***************************************")

        System.out.println("            客户姓名列表")

        System.out.println("***************************************")

        for (int i = 0 i < list.size() i++) {

            System.out.print(list.get(i).getName()+" ")

            if(i%4==0 && i>0)

                System.out.println()

        }

        

    }

    

    

    

    public static 铅纤void main(String[] args) {

        CustomerBiz customerBiz=new CustomerBiz()

             doInput(customerBiz)    

    }

    

    public static void doInput(CustomerBiz customerBiz){

      早激帆  String name=""

        Scanner in=new Scanner(System.in)

        System.out.println("请输入客户姓名：")

        name=in.next()

        if(name.equals(""))    {    

            System.out.println("请重新输入客户姓名：")

            name=in.next()

        }

        customerBiz.addName(name)

        

        System.out.println("继续输入吗？y/n")

        String tag=in.next()

        if(tag.equals("y")){

            doInput(customerBiz)

        }else{

            customerBiz.showNames()

        }

    }

}

class User{

    String name

    public String getName() {

        return name

    }

    public void setName(String name) {

        this.name = name

    }

    public User(String name) {

        this.name=name

    }

}

package chonggou1

public class Clum {

private String name

public Clum(){

}

public String getName() {

return name

}

public void setName(String name) {

this.name = name

}

public void toShow() {

if(name==null){

System.out.println("请烂运高碰先添加姓名")

return

}

System.out.println(this.name)

}

public static void main(String[] args) {

Clum c=new Clum()//创建客服

c.setName("zs")//添加姓名

c.toShow()//饥念梁显示客服

Clum c2=new Clum()//创建客服

c2.toShow()//显示客服

}

}

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