package Hangman;
import java.util.*;
public class Hangman {
    /**
     * @param args
     */
        public static void main(String[] args) {
        // TODO Auto-generated method stub
        //Setup Variables
        String name;
        int diff, countwrong=0, guesses=0;
        Scanner input = new Scanner (System.in);
The boring intro part.
        //Introduction for the Hangman game.
        System.out.println(" Welcome to Hangman. What is your name?");
        name=input.nextLine();
        System.out.println(" Hello "+name+" You will be playing a Hangman game.");
        System.out.println(" ");
        //Give instructions.
        System.out.println(" This game will have basics Hangman rules.");
        System.out.println(" There will be a certain number of blanks on the screen, resembling the letters of a particular word.");
        System.out.println(" You will have to try and determine the word by guessing letters used in the word.");
        System.out.println(" You will be allotted  7 mistakes to find the word");
        System.out.println(" ");
        System.out.println(" There will be 3 difficulties you can choose form and it will get progressively harder as you go higher.");
        System.out.println(" 1 being words with 5 letters, 2 being words with 7 letters, and 3 being words with 9 letters.");
        System.out.println(" ");
        //Ask user which difficulty they would like to play on.
        System.out.println(" Which difficulty do you want? (1-3)");
        diff=input.nextInt();
The words I will be using.
        //Setup level arrays.
        String [] wordsl1 = {"apple","truck","phone","paper","funny"};
        String [] wordsl2 = {"garbage","program","variety","comment","teacher"};
        String [] wordsl3 = {"yesterday","geography", "character","knowledge", "chemistry"};    
        //Setup main array.
        String [] gameword = new String [5];
        //Loop for them to choose difficulty.
        for (int i=0;i<5;i++){
        //If they user chose the easiest difficulty.
        if (diff==1){
            //Put Level one words into game array.
            gameword [i] = wordsl1[i];
        }
        //If they user chose the medium difficulty.
        else if (diff==2){
            //Put Level one words into game array.
            gameword [i] = wordsl2[i];
        }
        //If they user chose the hardest difficulty.
        else if (diff==3){
            //Put Level one words into game array.
            gameword [i] = wordsl3[i];      
            } 
        }
        //Randomly choose 1 word.
        int n=(int)(Math.random()* 6+ 0);
        String guessword = gameword[n];
        //Find the length of the word in the array.
        String leng = guessword;
        //Out put the number of letters in the word.
        System.out.println(" There are "+leng.length()+" letters in the word.");
        System.out.println(" ");
        //Create an array for the individual letters.
        String [] secretword = new String [leng.length()];
        //Create a for loop to add the words to the array.
        for (int i=0;i<leng.length();i++){
            //Add each letter to the secret array.
            secretword[i] = guessword.substring(i,i+1);
        }
        //Create an array for the blanks replacing the letters.
        String [] temp = new String [leng.length()];
        //Create a for loop to add the blanks to the temporary array.
        for (int i=0;i<leng.length();i++){
            //Fill the array with the dashes.
            temp[i] = "_";
            //Print the array
            System.out.print(temp[i]+"  ");
        }
        //While statement to check if its over.
        while (countwrong!=6 || gameword[n] != temp[n] || guesses!=26)  {
        System.out.println(" ");
        //Ask the user to guess a letter.
        System.out.println(" Guess a letter:");
        String a = input.next();
        //For loop to check the letter to see if it is part of the word.
        for (int i=0;i<leng.length();i++){
This is the part that keeps screwing me up. I know it's wrong and i have no clue what to do!
            **//Check if the letter is in the word.
            //If it is.
            if (a == guessword.substring(i,i+1)){
             System.out.println("This letter is in the "+guessword.indexOf(a)+"th place.");
             temp[i] = temp[i].replace("_", a);
            }
            //If it isn't.
            else {
                //Increase the wrong count by one.
                countwrong++;
            }
I'm only supposed to replace a single part using the index of a I got above, but I have no clue how to.
            //Print the modified array.
            System.out.print(temp[i]+"  ");
        }**
        //Increase number of guesses by one.
        guesses++;
        }
Boring Outro.
            //If the user guessed correctly.
        if (gameword[n] == temp[n]){
            System.out.println(" You have guessed the word correctly! Congratulations!");
        }
        //If the user could not guess the word.
        else if (countwrong == 6){
            System.out.println(" Sorry. You have not guessed the word.");
            System.out.println(" The word was "+guessword+" .");
        }
            //Output the number of guesses the user took and how many times they got one wrong.
            System.out.println(" You took "+guesses+" guesses to get it right.");
            System.out.println(" You got a incorrect letter "+countwrong+" times.");        
    }
}
 
     
     
    