techindepth

public class Queen extends ChessPiece{
	public Queen() {
		this.pieceType="Queen";
	}

	@Override
	void moveTo(String position) {
		this.currentPosition = position;
		System.out.println(pieceType+" Piece Moved to - "+ position);
	}

techindepth

public class Rook extends ChessPiece{
	public Rook() {
		this.pieceType="Rook";
	}
	@Override
	void moveTo(String position) {
		this.currentPosition = position;
		System.out.println(pieceType+" Piece Moved to - "+ position);
	}
}

techindepth

import java.util.HashMap;
import java.util.Map;

public class PieceBox {
	private static Map<String, ChessPiece> chessPieceMap = new HashMap<String, ChessPiece>();  
    
    static 
    { 
    	chessPieceMap.put("bishop", new Bishop()); 
    	chessPieceMap.put("king", new King()); 

techindepth

public class PlayChessTest {
	public static void main(String[] args) {
		PlayChessTest playChess = new PlayChessTest();
		playChess.initBoard();
	}
	
	/**
	 * Arranging the pieces on the box
	 */
	private void initBoard() {

techindepth

public class DominosPizza {
	private String pizzaType;
	private String name;
	private String quantity;
	private String typeOfDelivery;
	public DominosPizza(String pizzaType, String name, String quantity, String typeOfDelivery) {
		this.pizzaType = pizzaType;
		this.name = name;
		this.quantity = quantity;
		this.typeOfDelivery = typeOfDelivery;

techindepth

public class PizzaBuilderTest {
	public static void main(String[] args) {
		DominosPizza pizza= new DominosPizza.HandTossedPizzaBuilder()
				.setName("Mexican Green Wave")
				.setQuantity("Large")
				.setTypeOfDelivery("Home Delivery")
				.setAddon("Onion")
				.setAddon("Cheese")
				.build();
		

techindepth

public class TestPresidentOfTheCountry {
	public static void main(String[] args) {
		PresidentOfTheCountry.getPresident();//Creating new instance
		PresidentOfTheCountry.getPresident();//returning already created instance
	}

}

techindepth

public class PresidentOfTheCountry {
	
	private static PresidentOfTheCountry president;
	private PresidentOfTheCountry() {
		
	}
	
	public static PresidentOfTheCountry getPresident(){
        if(president == null){
        	System.out.println("No President yet assigned, Initializing new President!!!");

techindepth

public abstract class Employee {
	public abstract String getExperiance();
	public abstract String getPreferredLocation();
	public abstract String getRole();
	@Override
	public String toString(){
		return "Experiance= "+this.getExperiance()+", PreferredLocation="+this.getPreferredLocation()+", Role="+this.getRole();
	}

}

techindepth

public class JavaEmployee extends Employee{
	private String experiance;
	private String  role;
	private String preferredLocation;
	
	
	public JavaEmployee(String experiance, String role, String preferredLocation) {
		super();
		this.experiance = experiance;
		this.role = role;