How to create an object in java

import java.util.*;
public class Student{
String name;
Integer id;
public static void main(String args[]){
Student s1=new Student();
s1.name="Amanvfjndffdg";
s1.id=1;
Student s2=new Student();
s2.name="Amadfdfjn";
s2.id=1344;
Student s3=new Student();
s3.name="Afjfhjfman";
s3.id=4483123;
System.out.println(s1.name);
System.out.println(s1.id);
System.out.println(s2.name);
System.out.println(s2.id);
System.out.println(s3.name);
System.out.println(s3.id);
}
}