Program to illustrate the concept of single inheritance.

CODE:

import java.io.*;

class Person 

{ BufferedReader obj=new BufferedReader(new InputStreamReader(System.in));

int age;

String name;

public void getdata()throws IOException 

{ System.out.println("Enter name: ");

name=obj.readLine(); 

System.out.println("Enter age: ");

age=Integer.parseInt(obj.readLine());

} 

void putdata()

{ System.out.println("\nName: "+name);

System.out.println("Age: "+age);

} }

class employee extends Person 

{ BufferedReader obj=new BufferedReader(new InputStreamReader(System.in));  

String desg;

double sal;

public void getdata()throws IOException 

{ super.getdata();

System.out.println("Enter designation: ");

desg=obj.readLine();

System.out.println("Enter salary: ");

sal=Double.parseDouble(obj.readLine()); }

void putdata()

{ super.putdata();

System.out.println("Designation: "+desg);

System.out.println("Salary: "+sal);

} }

public class EXP18Q5

{ public static void main(String[] args)throws IOException 

{ employee e1 = new employee();

e1.getdata(); 

e1.putdata(); 

}