ATUL9021

import java.util.*;

class AtulQueueOverflow extends Exception {
    public String toString() {
        return "Queue overflow";
    }
}

class AtulQueueUnderflow extends Exception {
    public String toString() {

ATUL9021

package com.Atul;

import java.util.Scanner;

class StacksDSPD {
    public int value;
    private int top = -1;
    private int MAXSIZE;
    char stack[];

ATUL9021

package com.Atul;

import java.util.Scanner;

interface stackMethods{
    void pick();
    boolean isEmpty();
    boolean isFull();
    void push(char data);
    char pop();

ATUL9021

package com.Atul;

import java.util.Scanner;

class StacksDSPD {

    private int top = -1;
    private int MAXSIZE;
    char stack[];

ATUL9021

package com.Atul;

import java.util.Scanner;

interface stackMethods{
    void pick();
    boolean isEmpty();
    boolean isFull();
    void push(char data);
    char pop();

ATUL9021

package com.Atul;
import java.util.Scanner;

public class StringReverseUsingStacks  {
    public static void main(String[] args) {
        Scanner atul=new Scanner(System.in);
        System.out.println("Enter Something in string");
        String something=atul.nextLine();
        stackMethodsImplementation reversing=new stackMethodsImplementation(something.length());
        for(int i=0;i<something.length();i++){

ATUL9021

package com.Atul;

import java.util.Scanner;

interface stackMethods{
    void pick();
    boolean isEmpty();
    boolean isFull();
    void push(char data);
    char pop();

ATUL9021

package com.Atul;
//Library Program

class MyLibrary{
   private String []books;
   private String []issuedBook;

    private int noOfBook,noOfIssuedBook;
    public MyLibrary(){
        this.books=new String[100];

ATUL9021

package com.Atul;

interface TvRemote{
    void changeChannel(String ChannelNumber);
    void decreaseVolume();
    void increaseVolume();
}
interface SmartTvRemote extends TvRemote{
    void playMusic();
    void youtube();

ATUL9021

package com.Atul;
abstract class Telephone{

    abstract public void ring();
    abstract public void lift();
    abstract public void disconnect();
}
class SmartTelephone extends Telephone{
    @Override
   public void ring(){