import javax.swing.*;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.*;

/**
* This program implements methods:
* 1. GuessMyNumber
* 2. SortMyArray
* 3. MyArrayList
* 4. ConvertToTitleCase
* 5. ConvertToBHO
* 6. EasterHunt
* 7. DecimalToBinary
*/
public class FinalProject {

/**
* It initialises a random number and
* then asks user to guess the number repeatedly
* until user guess it correctly.
* And shows the number of attempts user
* took to guess it.
*/
public static void GuessMyNumber() {

   Random random = new Random();

   int number = random.nextInt(10);

   JFrame f = new JFrame();

   int attempts = 1;

   // Asking user to gues the number
   int guess = Integer.parseInt(JOptionPane.showInputDialog(f,"Guess a number between 1 and 10."));
   // If number is not the correct guess then asking again
   while (guess != number) {
         guess = Integer.parseInt(JOptionPane.showInputDialog(f,"Guess a number between 1 and 10."));
         attempts++;
   }

   // Showing output message to user
   JOptionPane.showMessageDialog(f,
            "It took you " + attempts + " tries before the guess was correct!");
}

/**
* This method initialises an array,
* and then sort it and print the array.
*/
public static void SortMyArray() {

   int[] array = new int[]{5, 3, 11, 7, 4};

   // Printing unsorted array.
   System.out.println("Unsorted array is:");
   for(int i=0; i<array.length; i++) {
         System.out.print(array[i] + " ");
   }
   System.out.println();

   // sorting array using loops and temp
   for(int i=0; i<array.length-1; i++) {
         for (int j=i+1; j<array.length; j++) {
            if (array[i] > array[j]) {
               int temp = array[i];
               array[i] = array[j];
               array[j] = temp;
            }
         }
   }

   // Printing sorted array.
   System.out.println("Sorted array is:");
   for(int i=0; i<array.length; i++) {
         System.out.print(array[i] + " ");
   }
   System.out.println();
}

/**
* In this method, an array list is created,
* and add, remove, set and sort operations
* are applied.
*
*/
public static void MyArrayList() {
   ArrayList<String> lst = new ArrayList<>();

   lst.add("John");
   lst.add("Erik");
   lst.add("Mark");
   lst.add("Joy");
   lst.add("Charlie");

   // adding new value at the end
   lst.add("Sam");

   // removing 2nd element i.e. at index 1
   lst.remove(1);

   // adding new value at 3rd position i.e. at index 2
   lst.add(2, "Max");

   // replacing 4th value with new one i.e. at index 3
   lst.set(3, "Harry");

   // Sorting using sort method, ignoring case
   lst.sort(new Comparator<String>() {
         @Override
         public int compare(String o1, String o2) {
            return o1.compareToIgnoreCase(o2);
         }
   });

   // printing list values
   for (String value: lst) {
         System.out.print(value + " ");
   }
   System.out.println();
}

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