Single.java

import java.util.Scanner;
class Studentdetails
{
String name;
int age;
int rollno;
Scanner sc=new Scanner(System.in);
void input()
{
System.out.println("enter the name of student");
name= sc.nextLine();
System.out.println("enter the age of student");
age=sc.nextInt();
System.out.println("enter the rollno of the student");
rollno=sc.nextInt();
}
void display()
{
System.out.println("Name:" +name);
System.out.println("Age:" +age);
System.out.println("Roll no:" +rollno);
}
}
class Student extends Studentdetails
{
private int a,b,c;
void Academics()
{
input();
System.out.println("enter the marks of physics");
a=sc.nextInt();
System.out.println("enter the marks of maths " );
b=sc.nextInt();
System.out.println("enter the marks of chemistry");
c=sc.nextInt();
}
void getDisplay()
{
display();
System.out.println("Physics:" +a);
System.out.println("Maths:" +b);
System.out.println("Chemistry:" +c);
}
}
class Single{
public static void main(String args[])
{
Student S=new Student();
S.Academics();
S.getDisplay();
}
}