MultilevelInheritance.java

import java.util.*;
class Student
{
 int rollno;
 String name;
 void get_stud_info()
 {
 try (Scanner sc = new Scanner(System.in)) {
   System.out.println("Enter Student Roll NO:");
    rollno=sc.nextInt();
    System.out.println("Enter Student Name:");
    name=sc.next();
}
 }
 void disp_stud_info()
 {
 System.out.println("Roll No:"+rollno);
 System.out.println("Name:"+name);
 }
}
class Test extends Student
{
 int marks1,marks2;
 void get_marks()
 {
 Scanner sc=new Scanner(System.in);
 System.out.println("Enter Class Test-1 Marks:");
 marks1=sc.nextInt();
 System.out.println("Enter Class Test-2 Marks:");
 marks2=sc.nextInt();
 }
 void disp_marks()
 {
 System.out.println("Marks-1:"+marks1);
 System.out.println("Marks-2:"+marks2);
 }
}
class Result extends Test
{
 int total;
 void disp_total()
 {
    total=marks1+marks2;
    System.out.println("Total Marks:"+total);
    }
   }
   class MultilevelInheritance
   {
    public static void main(String args[])
    {
    Result r1=new Result();
    r1.get_stud_info();
    r1.get_marks();
    r1.disp_stud_info();
    r1.disp_marks();
    r1.disp_total();
    }
   }