#2 #3 #5 Assignments for php java

achyut/src/main/java/com/lftechnology/programs/MultiplierProgram.java

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+package com.lftechnology.programs;
+
+import java.util.Scanner;
+
+public class MultiplierProgram {
+
+    private int numberOfMultiple;
+    private int firstMultiplier;
+    private int secondMultiplier;
+    private Scanner scanner;
+
+    public MultiplierProgram() {
+
+    }
+
+    public void run() {
+        this.initiateRun();
+        System.out.println("->Please Enter the Number of Multiplier");
+        scanner = new Scanner(System.in);
+        this.numberOfMultiple = scanner.nextInt();
+        System.out.println("->Please Enter First Multiplier");
+        this.firstMultiplier = scanner.nextInt();
+        System.out.println("->Please Enter Second Multiplier");
+        this.secondMultiplier = scanner.nextInt();
+        int sum = calculateMultiplier();
+        System.out.println("Sum of multiple by " + this.firstMultiplier + " and " + this.secondMultiplier + " below "
+                + this.numberOfMultiple + "=" + sum);        
+        this.endRun();
+    }
+
+    public int calculateMultiplier() {
+
+        int sum = 0;
+        for (int i = 0; i < this.numberOfMultiple; i++) {
+            if ((i % this.firstMultiplier) == 0 || (i % this.secondMultiplier) == 0) {
+                sum += i;
+            }
+        }
+        return sum;
+    }
+
+    public void initiateRun() {
+        System.out.println("\n");
+        System.out.println("->Executing Multiplier");
+
+    }
+
+    public void endRun() {
+        System.out.println("-----------------------------------------");
+        System.out.println("-----------------------------------------\n\n");
+    }
+
+}

achyut/src/main/java/com/lftechnology/programs/PalindromeProgram.java

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+package com.lftechnology.programs;
+
+import java.util.Scanner;
+
+public class PalindromeProgram {
+
+    private String number;
+    private Scanner scanner;
+
+    public PalindromeProgram() {
+
+    }
+
+    public void run() {
+        this.initiateRun();
+        System.out.println("->Please Enter the Number of Multiplier");
+        scanner = new Scanner(System.in);
+        this.number = scanner.nextLine();
+        Boolean isPalindrome = this.isPalindrome();
+        if (isPalindrome == true) {
+            System.out.println("The number is a palindrome number");
+        } else {
+            System.out.println("The number is not a palindrome number");
+        }
+        this.endRun();
+    }
+
+    public Boolean isPalindrome() {
+        String reverse = "";
+        int length = this.number.length();
+        for (int i = length - 1; i >= 0; i--)
+            reverse = reverse + this.number.charAt(i);
+
+        if (this.number.equals(reverse))
+            return true;
+        else
+            return false;
+
+    }
+
+    public void initiateRun() {
+        System.out.println("\n");
+        System.out.println("->Executing Palindrome Program");
+
+    }
+
+    public void endRun() {
+        System.out.println("-----------------------------------------");
+        System.out.println("-----------------------------------------\n\n");
+    }
+
+}

achyut/src/main/java/com/lftechnology/programs/SalutationProgram.java

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+package com.lftechnology.programs;
+
+import java.util.Scanner;
+
+public class SalutationProgram {
+
+    private Scanner fullNameWithSalutationInput;
+    private String fullNameWithSalutation;
+    private String salutation;
+
+    public SalutationProgram() {
+
+    }
+
+    public void run() {
+        this.initiateRun();
+        this.askForInput();
+        if (this.fullNameWithSalutation.length() <= 0) {
+            System.out.println("->Input can't be empty! Enter again");
+            this.askForInput();
+        }
+        this.splitInput();
+        System.out.println("Salutation = " + this.salutation);
+        System.out.println("FullName = " + this.fullNameWithSalutation);
+        this.endRun();
+    }
+
+    public void initiateRun() {
+        System.out.println("\n");
+        System.out.println("->Executing Salutation");
+        System.out.println("->Please Enter Your Full Name with Salutation (e.g, Mr. John Doe)\n\n");
+    }
+
+    public void endRun() {
+        System.out.println("-----------------------------------------");
+        System.out.println("-----------------------------------------\n\n");
+    }
+
+    public void splitInput() {
+        String[] splited = this.fullNameWithSalutation.split("\\s+");
+        this.salutation = splited[1];
+    }
+
+    public void askForInput() {
+        fullNameWithSalutationInput = new Scanner(System.in);
+        this.fullNameWithSalutation = fullNameWithSalutationInput.nextLine();
+    }
+
+}

achyut/src/main/java/com/lftechnology/runner/Executer.java

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+package com.lftechnology.runner;
+
+import java.util.Scanner;
+
+public class Executer {
+
+    private static Scanner userInput;
+    public static int chosenOption;
+
+    public static void main(String[] args) {
+        Menu menu = new Menu();
+        menu.showmenu();
+    }
+
+    public void askForInputAndRun() {
+        /**
+         * @todo Check if user input is empty in all the subsequent classes
+         */
+        userInput = new Scanner(System.in);
+        Executer.chosenOption = userInput.nextInt();
+        TaskSwitcher taskSwitcher = new TaskSwitcher(Executer.chosenOption);
+        taskSwitcher.switchAndRun();
+    }
+
+}

achyut/src/main/java/com/lftechnology/runner/Menu.java

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+package com.lftechnology.runner;
+
+public class Menu {
+
+    public Menu() {
+
+    }
+
+    public void showmenu() {
+        System.out.println("->Please hit the options below to play with us");
+        System.out.println("Options   Program");
+        System.out.println("1         Salutation");
+        System.out.println("2         Multiplier");
+        System.out.println("3         Palindrome");
+        System.out.println("0         Exit");
+        System.out.println("......................");
+        System.out.print("->Press the option above to continue: ");
+        Executer executor = new Executer();
+        executor.askForInputAndRun();
+    }
+
+}

achyut/src/main/java/com/lftechnology/runner/TaskSwitcher.java

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+package com.lftechnology.runner;
+
+import com.lftechnology.programs.MultiplierProgram;
+import com.lftechnology.programs.PalindromeProgram;
+import com.lftechnology.programs.SalutationProgram;
+
+public class TaskSwitcher {
+
+    protected int chosenOption;
+
+    public TaskSwitcher(int option) {
+        this.chosenOption = option;
+    }
+
+    public void switchAndRun() {
+        Menu menu = new Menu();
+        switch (this.chosenOption) {
+        case 1:
+            SalutationProgram salutationProgram = new SalutationProgram();
+            salutationProgram.run();
+            break;
+        case 2:
+            MultiplierProgram multiplierProgram = new MultiplierProgram();
+            multiplierProgram.run();
+            break;
+        case 3:
+            PalindromeProgram palindromeProgram = new PalindromeProgram();
+            palindromeProgram.run();
+            break;
+        case 0:
+            System.out.println("->You are exiting the program now...");
+            System.out.println("->Exited");
+            System.exit(0);
+        default:
+            System.out.println("->Invalid Input");
+            System.out.println("\n");
+            menu.showmenu();
+        }        
+        menu.showmenu();
+    }
+}