我不知道如何让程序打印出像足球这样的单词中的双字母。每当随机生成器选择足球时，我猜系统会打印出字母“c”••c•••。我希望它打印出来••cc••。任何帮助将不胜感激
import TurtleGraphics.*;
import java.util.Scanner;
import java.util.Random;
public class HangmanGame
{
public static void main(String [] args)
{
String repeat = "yes";
while((repeat.equals("yes"))||(repeat.equals ("Yes")))
{
SketchPadWindow pad = new SketchPadWindow(800, 800);
StandardPen pen = new StandardPen(pad);
Scanner scan = new Scanner(System.in);
HangmanTest hang = new HangmanTest();
Random randomGenerator = new Random();
//Ints
int index=0;
int number=0;
int counter=0;
int randomNum = 0;
//Strings
String Secretword = "";
String choose = "";
String guessLetter = "";
String guesses = "";
String diff = "";
String Pokemon [] = {"pikachu", "jigglypuff", "dugtrio", "muk", "ditto", "eevee", "mewtwo", "cyndaquil", "raikou"};
String Sports [] = {"tennis", "rowing", "golf", "lacrosse", "sailing", "soccer", "football", "baseball", "volleyball"};
String Periodic [] = {"iron", "carbon", "radon", "ununcodium", "oxygen", "magnesium", "antimoney", "iodine", "cadmium"};
String Food [] = {"pizza", "spaghetti", "muffin", "bagel", "chicken", "steak", "apple", "chips", "cookies"};
String Boardgames [] = {"life", "monopoly", "battleship", "boggle", "sorry", "operation", "blokus", "cranium", "gab"};
String Planets [] = {"mars", "pluto", "saturn", "earth", "jupiter", "uranus", "neptune", "mercury", "venus"};
String States [] = {"utah", "washington", "colorado", "california", "texas", "wyoming", "missouri", "kentucky", "connecticut"};
String Spanish [] = {"hola", "adios", "feliz", "durante", "conocer", "sobre", "decir", "trabajar", "manzana"};
String ACT [] = {"congregation", "camaraderie", "digression", "emulate", "fortuitous", "frugal", "evanescent", "hypothesis", "extenuating"};
String dashes = "";
hang.drawGallo(pen);
System.out.println("There are three difficulties to chose from with sub categories in each");
System.out.println("They are: Easy, Medium and Hard");
diff = scan.nextLine();
if(diff.equals("Easy")){
System.out.println("Please choose one of the three following categories:");
System.out.println("Sports, Food or Boardgames");
choose = scan.nextLine();
if(choose.equals("Sports")){
randomNum = randomGenerator.nextInt(Sports.length-1);
Secretword = Sports[randomNum];
}else if (choose.equals("Food")){
randomNum = randomGenerator.nextInt(Food.length-1);
Secretword = Food[randomNum];
}else if (choose.equals("Boardgames")){
randomNum = randomGenerator.nextInt(Boardgames.length-1);
Secretword = Boardgames[randomNum];
}
}else if (diff.equals("Medium")){
System.out.println("Please choose one of the three following categories:");
System.out.println("Pokemon, Planets or States");
choose = scan.nextLine();
if(choose.equals("Pokemon")){
randomNum = randomGenerator.nextInt(Pokemon.length-1);
Secretword = Pokemon[randomNum];
}else if(choose.equals("Planets")){
randomNum = randomGenerator.nextInt(Planets.length-1);
Secretword = Planets[randomNum];
}else if(choose.equals("States")){
randomNum = randomGenerator.nextInt(States.length-1);
Secretword = States[randomNum];
}
}else if (diff.equals ("Hard")){
System.out.println("Please choose one of the three following categories:");
System.out.println("Periodic, Spanish or ACT");
choose = scan.nextLine();
if(choose.equals("Periodic")){
randomNum = randomGenerator.nextInt(Periodic.length-1);
Secretword = Periodic[randomNum];
}else if(choose.equals("Spanish")){
randomNum = randomGenerator.nextInt(Spanish.length-1);
Secretword = Periodic[randomNum];
}else if(choose.equals("ACT")){
randomNum = randomGenerator.nextInt(ACT.length-1);
Secretword = ACT[randomNum];
}
}
for(int x = 0; x< Secretword.length(); x++)
dashes += "*";
System.out.println(dashes);
while(number <= 9 && !dashes.equals(Secretword) )
{
String letter = "";
System.out.println("Please enter a letter or the entire word.");
letter = scan.nextLine();
if(letter.equals(Secretword))
{
System.out.println("You correctly guessed the word. Good job!");
break;
}
if(Secretword.indexOf(letter) != -1)
{
index = Secretword.indexOf(letter);
/*for (int x=0; x <Secretword.length() - 1; x++)
{
if (Secretword.charAt(x) == Secretword.charAt(x +1))
{
System.out.println("Word contains double");
}else
{
System.out.println("Normal word found");
}
}
*/
System.out.println("You entered a letter in the word");
dashes = dashes.substring(0, index) + letter + dashes.substring(index +1);
System.out.println(dashes);
}
else
{
System.out.println("You entered an incorrect letter");
number++;
}
if(number == 1)
hang.drawHead(pen);
if(number == 2)
{
hang.drawReye(pen);
hang.drawLeye(pen);
hang.drawPupils(pen);
}
if(number == 3)
{
hang.drawNose(pen);
hang.drawMouth1(pen);
}
if(number == 4)
hang.drawTeeth(pen);
if(number == 5)
hang.drawHair(pen);
if(number == 6)
hang.drawLglasses(pen);
if(number == 7)
hang.drawBody(pen);
if(number == 8)
{
hang.drawRarm(pen);
hang.drawLarm(pen);
}
if(number == 9)
{
hang.drawLleg(pen);
hang.drawRleg(pen);
}
}
if(number == 10){
System.out.println("You lose");
System.out.println("The word was:" + " " + Secretword);
}else
{
System.out.println("You win");
}
System.out.println("Game Over");
System.out.println("Would you like to play again?");
repeat = scan.nextLine();
}//end over all while loop
System.exit(0);
}//close main function
}//close class