/* Simulation of console-I/O program GuessingGame, using ConsoleApplet as a basis. See the file ConsoleApplet.java for more information. David Eck eck@hws.edu August 11, 1996 */ public class GuessingGameConsole extends ConsoleApplet { public String getTitle() { return "Sample program \"GuessingGame\""; } protected void program() { /* The user plays a guessing game where the computer picks a number between 1 and 100, and the user tries to guess the number */ console.putln("Let's play a game. I'll pick a number between"); console.putln("1 and 100, and you try to guess it."); boolean playAgain; do { playGame(); // call subroutine to play one game console.put("Would you like to play again? "); playAgain = console.getlnBoolean(); } while (playAgain); console.putln("Thanks for playing. Goodbye."); } // end program() void playGame() { int computersNumber; // A random number picked by the computer. int usersGuess; // A number entered by user as a guess. int guessCount; // Number of guesses the user has made. computersNumber = (int)(100 * Math.random()) + 1; // The value assigned to computersNumber is a randomly // chosen integer between 1 and 100, inclusive. guessCount = 0; console.putln(); console.put("What is your first guess? "); while (true) { usersGuess = console.getInt(); // get the user's guess guessCount++; if (usersGuess == computersNumber) { console.putln("You got it in " + guessCount + " guesses! My number was " + computersNumber); break; // the game is over; the user has won } if (guessCount == 6) { console.putln("Sorry, you didn't get the number in 6 guesses."); console.putln("You lose. My number was " + computersNumber); break; // the game is over; the user has lost } // If we get to this point, the game continues. // Tell the user if the guess was too high or too low. if (usersGuess < computersNumber) console.put("That's too low. Try again: "); else if (usersGuess > computersNumber) console.put("That's too high. Try again: "); } console.putln(); } // end of playGame() } //end class GuessingGameConsole