student1.java

student类 方法的功能和含义：getStudentId（获得学号）； getClassId（获得班号）；getStudentName（获得学生姓名）； getStudentSex（获得学生

import java.io.*;
class Student       //定义Student类
{
   long StudentId;
   int ClassId;
   String StudentName;
   char StudentSex;
   int StudentAge;      //基本属性
   Student(long sd,int cd,String name,char sex,int age)     //构造方法
   {
   this.StudentId=sd;
   this.ClassId=cd;
   this.StudentName=name;
   this.StudentSex=sex;
   this.StudentAge=age;
   }
   long getStudentId()     //若干方法
   {
   return StudentId;
   }
   int getClassId()
   {
   return ClassId;
   }
   String getStudentName()
   {
   return StudentName;
   }
   char getStudentSex()
   {
   return StudentSex;
   }
   int getStudentAge()
   {
   return StudentAge;
   }
   void setStudentAge(int a)
   {
   StudentAge=a;
   }
}
public class Student1               //测试类
{
public static void main(String[] args){
Student student1=new Student(2007012278,72,"Xujun",'M',21);
System.out.println("studentId "+student1.getStudentId());
System.out.println("ClassId "+student1.getClassId());
System.out.println("studentName "+student1.getStudentName());
System.out.println("studentSex "+student1.getStudentSex());
System.out.println("studentAge "+student1.getStudentAge());
student1.setStudentAge(20);             //测试修改学生年龄的方法
System.out.println("new studentAge "+student1.getStudentAge());
}
}