99 Write a Java program to illustrate multilevel inheritance such that country is inherited from continent. State is inherited from country. Display the place, state, country and continent.

Code:

import java.io.InputStreamReader;
import java.io.BufferedReader;
import java.io.IOException;

class Continent
{
  String con;
InputStreamReader  i = new InputStreamReader(System.in);
BufferedReader r  = new BufferedReader(i);

void con_input() throws IOException
{
      System.out.println("Enter Continent Name:  ");
      con = r.readLine();
}
}

class Country extends Continent
{
String cou ;

void cou_input() throws IOException
{
      System.out.println("Enter Country Name:  ");
      cou = r.readLine();
}
}

class State extends Country
{
String sta;
void sta_input() throws IOException
{
      System.out.println("Enter State Name:  ");
      sta = r.readLine();
}

public static void main( String argsp[] )throws IOException
{
State s = new State();
s.con_input();
s.cou_input();
s.sta_input();

System.out.println("\n\nContinent: "+s.con);
System.out.println("Country: "+s.cou);
System.out.println("State: "+s.sta);
}
}

Ouput:

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