package com.whxiong.work03;

import java.util.Scanner;

public class Student {

 String name;

 int age;

 Scanner input = new Scanner(System.in);

 public void setAge(String name, int age) {

  System.out.println("请输入您的年龄：");

  age = input.nextInt();

  if (age < 16) {

   do {

    System.out.println("您输入的年龄不正确,请重新输入！");

    System.out.println("请输入您的年龄：");

    age = input.nextInt();

   } while (age < 16);

  }

  this.age = age;

 }

 public void showStudent() {

  System.out.println("大家好！我叫:" + name + ",今年" + this.age + "岁！");

  System.out.println("欢迎您" + name + "学员！");

 }

}****************************************************************

package com.whxiong.work03;

import java.util.Scanner;

public class Student2 {

 private String name;

 private int age;

 private String sex;

 private String major;

 Scanner input = new Scanner(System.in);

 //带参构造

 public Student2(String name,int age) {

  this.name = name;

  this.age = age;

  this.sex = "男";

  this.major = "Java";

 }

 public void showSt1() {

  System.out.println("大家好,我叫" + this.name + ",我是" + this.sex + "生！");

  System.out.println("\t今年" + this.age + "岁,我的专业是" + this.major);

 }

 //有参构造

 public Student2(String name, int age, String sex, String major) {

  this.name = name;

  this.age = age;

  this.sex = sex;

  this.major = major;

 }

 public void showSt2() {

  System.out.println("大家好,我叫" + this.name + ",我是" + this.sex + "生！");

  System.out.println("\t今年" + this.age + "岁,我的专业是" + this.major);

 }

}**********************************************************************************

package com.whxiong.work03;

import java.util.Scanner;

public class Work03 {

 /**

  * @param args

  */

 public static void main(String[] args) {

  Scanner input = new Scanner(System.in);

  System.out.println("第四题");

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

  Student st = new Student();

  System.out.println("请输入您的姓名：");

  st.name = input.next();

  st.setAge(st.name,st.age);

  st.showStudent();

  System.out.println("\n");

  System.out.println("第五题");

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

  

  

  System.out.println("请输入您的姓名：");

  String name1 = input.next();

  System.out.println("请输入您的年龄：");

  int age = input.nextInt();

  System.out.println("请输入您的性别：");

  String sex = input.next();

  System.out.println("请输入您的专业：");

  String major = input.next();

  Student2 st2 = new Student2(name1,age);

  st2.showSt1();

  Student2 st3 = new Student2(name1,age,sex,major);

  st3.showSt2();

 }

}