W2a2

Week 2 Assignment 1/Factorial_W2A1_3.java

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+public class Factorial_W2A1_3 {
+    static int product = 1;
+    public static void main(String args[]) {
+        int num = 4;
+        System.out.println(recursion(num));
+    }
+
+    static int recursion(int num) {
+        if(num > 0) {
+            product = product * num;
+            recursion(num - 1);
+        }
+        return product;
+    }
+}

Week 2 Assignment 1/Fibonacci_W2A1_1.java

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+public class Fibonacci_W2A1_1 {
+	static int temp1 = 0, temp2 = 1, temp3 = 0;
+	public static void main(String arg[]) {
+		int num = 9;
+		System.out.print(temp1 + " " + temp2 + " ");
+		recursion(num);
+	}
+
+	static void recursion(int num) {
+		if(num > 0) {
+			temp3 = temp1 + temp2;
+			temp1 = temp2;
+			temp2 = temp3;
+			System.out.print(temp3 + " ");
+			recursion(num - 1);
+		}
+	}
+}

Week 2 Assignment 1/Reverse_W2A1_4.java

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+import java.util.Arrays;
+
+public class Reverse_W2A1_4 {
+    static int[] arr = {3,4,6,7,9};
+    static int[] reversedArray = new int[arr.length];
+    static int counter = 0;
+    public static void main(String args[]) {
+        System.out.println(recursion(arr.length));
+    }
+
+    static String recursion(int arrLength) {
+        if(arrLength > 0) {
+            reversedArray[counter] = arr[(arr.length - 1) - counter];
+            counter++;
+            recursion(arrLength - 1);
+        }
+        return Arrays.toString(reversedArray);
+    }
+}

Week 2 Assignment 1/SumOFArray_W2A1_2.java

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+public class SumOFArray_W2A1_2 {
+    static int sum = 0, i = 0;
+    static int[] arr = {3,4,2,7,9};
+    public static void main(String args[]) {
+        System.out.println(recursion(arr.length));
+    }
+    static int recursion(int arrLength) {
+        if(arrLength > 0) {
+            sum += arr[i];
+            i++;
+            recursion(arrLength - 1);
+        }
+        return sum;
+    }
+}

Week 2 Assignment 2/PizzaShop_W2A2_1.java

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+import java.util.Scanner;
+
+public class PizzaShop_W2A2_1 {
+    private String[] crust = {"Thin Crust", "Cheese Burst", "Classic Pan"};
+    private int crustOption;
+    private int[] crustPrice = {100, 200, 300};
+
+    private String[] toppings = {"Corn", "Chicken", "Paneer", "Pineapple", "Pepperoni"};
+    private int toppingsOption;
+    private int[] toppingsPrice = {100, 200, 300, 400, 500};
+
+    private String[] sides = {"Coke", "Fries", "Wedges", "Nachos"};
+    private int sidesOption;
+    private int[] sidesPrice = {100, 200, 300, 400};
+
+    private int[] offerTypes = {20, 50};
+    private int offerOption = 0;
+
+    private double price;
+    private double discount;
+    //crusttype, toppings, sides, offers, price
+
+    public void getPrice() {
+        price = crustPrice[crustOption] + toppingsPrice[toppingsOption] + sidesPrice[sidesOption];
+        if(offerOption > 0) {
+            discount = offerTypes[offerOption - 1] / 100.00;
+            discount = price * discount;
+            price = price - discount;
+        }
+        System.out.println("Total: Rs " + price);
+    }
+
+    public void setOffer(int option) {
+        offerOption = option;
+    }
+
+    public void getOffer() {
+        for(int i = 0; i < offerTypes.length; i++) {
+            System.out.print((i + 1) + " " + offerTypes[i] + "% Off\n");
+        }
+    }
+
+    public void setSides(int option) {
+        sidesOption = option - 1;
+    }
+
+    public void getSides() {
+        for(int i = 0; i < sides.length; i++) {
+            System.out.print((i + 1) + " " + sides[i] + " Rs " + sidesPrice[i] + "\n");
+        }
+    }
+
+    public void setToppings(int option) {
+        toppingsOption = option - 1;
+    }
+
+    public void getToppings() {
+        for(int i = 0; i < toppings.length; i++) {
+            System.out.print((i + 1) + " " + toppings[i] + " Rs " + toppingsPrice[i] + "\n");
+        }
+    }
+
+    public void setCrust(int option) {
+        crustOption = option - 1;
+    }
+
+    public void getCrust() {
+        for(int i = 0; i < crust.length; i++) {
+            System.out.print((i + 1) + " " + crust[i] + " Rs " + crustPrice[i] + "\n");
+        }
+    }
+
+    public static void main(String args[]) {
+        Scanner scans = new Scanner(System.in);
+        PizzaShop_W2A2_1 pizzaShop = new PizzaShop_W2A2_1();
+        int option;
+        String offerGiven;
+        System.out.println("Select from below");
+
+        System.out.println("Crust:");
+        pizzaShop.getCrust();
+        option = scans.nextInt();
+        pizzaShop.setCrust(option);
+
+        System.out.println("Toppings: ");
+        pizzaShop.getToppings();
+        option = scans.nextInt();
+        pizzaShop.setToppings(option);
+
+        System.out.println("Sides: ");
+        pizzaShop.getSides();
+        option = scans.nextInt();
+        pizzaShop.setSides(option);
+
+        System.out.println("Any discounts to be applied?\ny/n");
+        offerGiven = scans.next();
+        if(offerGiven.equals("y")) {
+            System.out.println("Offers: ");
+            pizzaShop.getOffer();
+            option = scans.nextInt();
+            pizzaShop.setOffer(option);
+        }
+        pizzaShop.getPrice();
+        scans.close();
+    }
+}

Week 2 Assignment 2/PizzaShop_W2A2_1_v2.java

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+public class PizzaShop_W2A2_1_v2 {
+    private String crustType;
+    private String toppingType;
+    private String sidesType;
+    private int offers;
+    private boolean offerApplied = false;
+    private double price;
+    private double discount;
+
+    private int crustTypeAmount;
+    //crusttype, toppings, sides, offers, price
+    PizzaShop_W2A2_1_v2(String crust, String topping, String sides) {
+        crustType = crust;
+        toppingType = topping;
+        sidesType = sides;
+    }
+
+    PizzaShop_W2A2_1_v2(String crust, String topping, String sides, int offer) {
+        crustType = crust;
+        toppingType = topping;
+        sidesType = sides;
+        offers = offer;
+        offerApplied = true;
+    }
+
+    // private int getCrustPrice() {
+    //     switch(crustType) {
+    //         case "thinCrust":
+    //             crustTypeAmount = 100;
+    //             break;
+    //         case "cheeseBurst":
+    //             crustTypeAmount = 200;
+    //             break;
+    //         case "classicPan":
+    //             crustTypeAmount = 300;
+    //             break;
+    //     }
+    // }
+
+    public double calculateTotalPrice() {
+        //logic to calculate price here
+        return price;
+    }
+    public static void main(String arg[]) {
+        //(crustType, toppingType, sidesType)
+        PizzaShop_W2A2_1_v2 pizzaWithoutOffer = new PizzaShop_W2A2_1_v2("Thin Crust", "Corn", "Fries");
+        System.out.println("Total price: " + pizzaWithoutOffer.calculateTotalPrice());
+
+        //20% off applied
+        //(crustType, toppingType, sidesType, offerDiscount)
+        PizzaShop_W2A2_1_v2 pizzaWithOfferApplied = new PizzaShop_W2A2_1_v2("Thin Crust", "Cheese Burst", "Classic Pan", 20);
+        System.out.println("Total price: " + pizzaWithOfferApplied.calculateTotalPrice());
+    }
+}