题目： 编写一个学生类Students，该类成员变量包括学号no、姓名name、性别sex和年龄age

题目：

编写一个学生类Students，该类成员变量包括学号no、姓名name、性别sex和年龄age

class Student{
private int no;
private String name;
private String sex;
private int age;
public void setNo(int myNo){
if(myNo <=0||myNo>=50){
System.out.println("学号出错，默认用00代替");
no = 00;}
else
no = myNo;
}
public void setSex(String mySex){
sex = mySex;
}
public void setName(String myName){
name = myName;
}
public void setAge(int myAge){
if(myAge <=0){
System.out.println("年龄出错，使用默认年龄20岁代替");
age = 20;}
else
age = myAge;
}
public String getName(){
System.out.println("姓名："+name);
return name;}
public String getSex(){
System.out.println("性别："+sex);
return sex;}
public int getAge(){
System.out.println("年龄："+age);
return age;}
public int getNo(){
System.out.println("学号："+no);
return no;}
}
public class Student1 {
public static void main(String[] args) {
Student p1 = new Student();
p1.setName("张三");
p1.setAge(-20);
p1.setSex("男");
p1.setNo(01);
p1.getName();
p1.getAge();
p1.getSex();
p1.getNo();
}


}