docs: Decorator, facade, proxy, chain, command intepreter

Decorator, facade, proxy, chain, command intepreter
luizrosalba · Dec 12, 2021 · 219c968 · 219c968
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diff --git a/10- Decorator Pattern/ChineeseFood.class b/10- Decorator Pattern/ChineeseFood.class
diff --git a/10- Decorator Pattern/ChineeseFood.java b/10- Decorator Pattern/ChineeseFood.java
@@ -0,0 +1,27 @@
+
+public class ChineeseFood extends FoodDecorator
+{
+
+
+
+    public ChineeseFood(Food newFood) 
+    {
+		super(newFood);
+
+	}
+
+
+	public String prepareFood()
+	{
+		return super.prepareFood() +" With Fried Rice and Manchurian  "; 
+
+	}
+
+
+	public double foodPrice()
+	{
+		return super.foodPrice()+65.0;
+
+	}
+
+}
diff --git a/10- Decorator Pattern/Decorator.PNG b/10- Decorator Pattern/Decorator.PNG
diff --git a/10- Decorator Pattern/DecoratorPatternCustomer.class b/10- Decorator Pattern/DecoratorPatternCustomer.class
diff --git a/10- Decorator Pattern/DecoratorPatternCustomer.java b/10- Decorator Pattern/DecoratorPatternCustomer.java
@@ -0,0 +1,92 @@
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+
+public class DecoratorPatternCustomer {
+
+
+	private static int  choice;
+
+	public static void main(String args[]) throws NumberFormatException, IOException
+	{
+
+do{		
+		System.out.print("========= Food Menu ============ \n");
+		System.out.print("            1. Vegetarian Food.   \n");
+		System.out.print("            2. Non-Vegetarian Food.\n");
+		System.out.print("            3. Chineese Food.         \n");
+		System.out.print("            4. Exit                        \n");
+		System.out.print("Enter your choice: ");
+
+		BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); 
+
+		choice=Integer.parseInt(br.readLine());
+
+
+
+		switch (choice) {
+		case 1:
+
+			{ 
+
+
+
+		    	 VegFood vf=new VegFood();
+
+
+			  System.out.println(vf.prepareFood());
+
+			  System.out.println( vf.foodPrice());
+
+
+
+			}
+			break;
+
+        case 2:
+
+			{
+
+
+			      Food f1=new NonVegFood((Food) new VegFood());
+
+			      System.out.println(f1.prepareFood());
+
+			      System.out.println( f1.foodPrice());
+
+
+			}
+			break;	
+
+        case 3:
+
+
+            {
+
+
+
+            	     Food f2=new ChineeseFood((Food) new VegFood());
+
+
+			         System.out.println(f2.prepareFood());
+
+			         System.out.println( f2.foodPrice());
+
+            }
+			break;	
+
+
+		default:
+		{  
+			System.out.println("Other than these no food available");
+
+		}		
+			return;
+		}
+
+}while(choice!=4);
+
+	}
+
+}
diff --git a/10- Decorator Pattern/Food.class b/10- Decorator Pattern/Food.class
diff --git a/10- Decorator Pattern/Food.java b/10- Decorator Pattern/Food.java
@@ -0,0 +1,9 @@
+
+public interface Food {
+
+	public String prepareFood();
+
+	public double foodPrice();
+
+
+}
diff --git a/10- Decorator Pattern/FoodDecorator.class b/10- Decorator Pattern/FoodDecorator.class
diff --git a/10- Decorator Pattern/FoodDecorator.java b/10- Decorator Pattern/FoodDecorator.java
@@ -0,0 +1,28 @@
+
+public abstract class FoodDecorator implements Food
+
+{
+	private Food newFood;
+
+	public FoodDecorator(Food newFood)
+	{
+
+		this.newFood=newFood;
+
+	}
+
+	@Override
+	public String prepareFood()
+	{
+		return newFood.prepareFood(); 
+
+	}
+
+
+	public double foodPrice()
+	{
+		return newFood.foodPrice();
+
+	}
+
+}
diff --git a/10- Decorator Pattern/NonVegFood.class b/10- Decorator Pattern/NonVegFood.class
diff --git a/10- Decorator Pattern/NonVegFood.java b/10- Decorator Pattern/NonVegFood.java
@@ -0,0 +1,28 @@
+
+public class NonVegFood extends FoodDecorator{
+
+
+
+	public NonVegFood(Food newFood) 
+	{
+		super(newFood);
+
+	}
+
+
+
+	public String prepareFood()
+	{
+		return super.prepareFood() +" With Roasted Chiken and Chiken Curry  "; 
+
+	}
+
+
+	public double foodPrice()
+	{
+		return super.foodPrice()+150.0;
+
+	}
+
+
+}
diff --git a/10- Decorator Pattern/VegFood.class b/10- Decorator Pattern/VegFood.class
diff --git a/10- Decorator Pattern/VegFood.java b/10- Decorator Pattern/VegFood.java
@@ -0,0 +1,20 @@
+
+public class VegFood implements Food {
+
+
+	public String prepareFood()
+	{
+
+		 return "Veg Food";
+
+
+	}
+
+	public double foodPrice()
+	{
+
+		return 50.0;
+
+	}
+
+}
diff --git a/11-Facade Pattern/Blackberry.class b/11-Facade Pattern/Blackberry.class
diff --git a/11-Facade Pattern/Blackberry.java b/11-Facade Pattern/Blackberry.java
@@ -0,0 +1,16 @@
+
+public class Blackberry implements MobileShop {
+
+	@Override
+	public void modelNo() {
+		System.out.println(" Blackberry Z10 ");
+
+	}
+
+	@Override
+	public void price() {
+		 System.out.println(" Rs 55000.00 ");
+
+	}
+
+}
diff --git a/11-Facade Pattern/Facade.PNG b/11-Facade Pattern/Facade.PNG
diff --git a/11-Facade Pattern/FacadePatternClient.class b/11-Facade Pattern/FacadePatternClient.class
diff --git a/11-Facade Pattern/FacadePatternClient.java b/11-Facade Pattern/FacadePatternClient.java
@@ -0,0 +1,79 @@
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+
+public class FacadePatternClient {
+
+	private static int  choice;
+
+
+
+	public static void main(String args[]) throws NumberFormatException, IOException{
+
+
+		do{		
+			System.out.print("========= Mobile Shop ============ \n");
+			System.out.print("            1. IPHONE.              \n");
+			System.out.print("            2. SAMSUNG.              \n");
+			System.out.print("            3. BLACKBERRY.            \n");
+			System.out.print("            4. Exit.                     \n");
+			System.out.print("Enter your choice: ");
+
+			BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); 
+
+			choice=Integer.parseInt(br.readLine());
+
+			ShopKeeper sk=new ShopKeeper();
+
+			switch (choice) {
+			case 1:
+
+				{ 
+
+			      sk.iphoneSale();
+
+			    }
+				break;
+
+	        case 2:
+
+				{
+
+				  sk.samsungSale();		 
+
+			    }
+				break;	
+
+	        case 3:
+
+
+	            {
+
+
+	             sk.blackberrySale();		
+
+	            }
+				break;	
+
+
+			default:
+			{  
+				System.out.println("Nothing You purchased");
+
+			}		
+				return;
+			}
+
+	  }while(choice!=4);
+
+   }
+
+
+
+
+}
+
+
+
+
diff --git a/11-Facade Pattern/Iphone.class b/11-Facade Pattern/Iphone.class
diff --git a/11-Facade Pattern/Iphone.java b/11-Facade Pattern/Iphone.java
@@ -0,0 +1,16 @@
+
+public class Iphone implements MobileShop {
+
+	@Override
+	public void modelNo() {
+		System.out.println(" Iphone 6 ");
+
+	}
+
+	@Override
+	public void price() {
+	   System.out.println(" Rs 65000.00 ");
+
+	}
+
+}
diff --git a/11-Facade Pattern/MobileShop.class b/11-Facade Pattern/MobileShop.class
diff --git a/11-Facade Pattern/MobileShop.java b/11-Facade Pattern/MobileShop.java
@@ -0,0 +1,9 @@
+
+public interface MobileShop {
+
+
+	public void modelNo();
+
+	public void price();
+
+}
diff --git a/11-Facade Pattern/Samsung.class b/11-Facade Pattern/Samsung.class
diff --git a/11-Facade Pattern/Samsung.java b/11-Facade Pattern/Samsung.java
@@ -0,0 +1,16 @@
+
+public class Samsung implements MobileShop {
+
+	@Override
+	public void modelNo() {
+		System.out.println(" Samsung galaxy tab 3 ");
+
+	}
+
+	@Override
+	public void price() {
+		 System.out.println(" Rs 45000.00 ");
+
+	}
+
+}
diff --git a/11-Facade Pattern/ShopKeeper.class b/11-Facade Pattern/ShopKeeper.class
diff --git a/11-Facade Pattern/ShopKeeper.java b/11-Facade Pattern/ShopKeeper.java
@@ -0,0 +1,45 @@
+
+public class ShopKeeper {
+
+
+	private MobileShop iphone;
+	private MobileShop samsung;
+	private MobileShop blackberry;
+
+
+	public ShopKeeper(){
+
+		iphone= new Iphone();
+
+		samsung=new Samsung();
+
+		blackberry=new Blackberry();
+
+	}
+
+
+
+	public void iphoneSale(){
+
+		iphone.modelNo();
+		iphone.price();
+
+	}
+
+    public void samsungSale(){
+
+		samsung.modelNo();
+		samsung.price();
+
+	}
+
+
+   public void blackberrySale(){
+
+	blackberry.modelNo();
+	blackberry.price();
+
+}
+
+
+}
diff --git a/12-Proxy Pattern/OfficeInternetAccess.class b/12-Proxy Pattern/OfficeInternetAccess.class