For class, we need to create a word game using classes and objects.
The game is played in rounds. The player is presented with a word that is missing letters. The player has to fill in the missing spaces with their letter guesses. The words presented are chosen with a random number generator which has been provided for us. At the end of the game, the player is shown their score.
In steps, I have to:
-Welcome the player.
-Present the puzzle.
-Allow the player to fill in the blanks.
-Have the program check responses for correct/incorrect input.
-End the game if they have three misses, or continue if they complete the puzzle.
Now, to start, I have a class for the number generator, a class to store the array of 25 words, and a class for the game itself.
import java.io.*; import java.util.Random; import java.util.Scanner; public class WordGame { public static void main(String[] args) throws IOException { final int RANDOM_LETTERS_COUNT = 10; final int TRIALS = 10; int score = 0;
I'm quite new to Java. I have some trouble with understanding how to get two classes to get objects from each other (if that is the correct term).
Lets say I have a login class, in which I have a method checking what the user has entered into the console (I have not displayed the whole code, but this class works as it should and give the user an option to enter username and password and return it true if entered correct).
public static boolean validateUserPass(String userName, String password) { String[] user = {"admin"}; String[] passwords = {"firkanten"}; boolean check = false; for (int i = 0; i < user.length; i++) { if (userName.equals(user[i])) { if (password.equals(passwords[i])) { check = true;
Now, in another class I want a display box to appear on the screen and give the user three options: Click yes, no or cancel. I get this to run perfectly alone, this is not the hard part for me. I want the display box only to appear when the correct username and password is given, but I can't seem to figure out how to do this probably.
I have a simple Word Program here called PuzzleGame.java. It works perfectly but I wanted to add some bells and whistles to it. So I want to be able that if the user selects the same letter more than once a message comes up letting the user know that "That letter has already been selected, try another letter."
I am certain that if would go in the 'else' of the 'if( )' that I am providing.
import java.util.Scanner; public class PuzzleGame { public static void main(String[] args){ String secretPhrase = "BIG JAVA"; String guesses = " ";
[Code] .....
I am thinking maybe after the else in this if statement.
if(guesses.indexOf(secretLetter)== -1) { System.out.print("-"); notDone = true; } else { //something here. I am not sure how to go about it. System.out.print(secretLetter); }
I have a project about programing a game in java . In this project you are required to design and implement a word guessing game. In the game, user selects one of the available dictionaries (animals, plants, technical, names, etc. ), and the program randomly chooses one word from that dictionary and displays it by scrambling the letters. The user tries to guess the word while a guess counter starts to count down (lets assume it starts from 5).
While counter counts towards zero, the program chooses -randomly- two misplaced letters and puts them into correct positions to reveal the word more and give the user a hint. However, giving a new hint reduces the total value of the question. Lets say if the initial value of the question is 500 when all letters are scrambled, it reduces to 400 after 1st incorrect guess and hint, then after every incorrect guess it reduces more. You can determine the value of the question by the length of the word. The other details of the game is as follows:
1.You must design at least three classes (for example game, scrambledword, and dictionary).
2.Dictionaries are written in text files. If you design a class for dictionary, it must be constructed by a user chosen category ((animals, plants, technical, names, etc). In the constructor, the dictionary text file corresponding to this category must be opened and read; and words in that dictionary must be read into memory (e.g. String array). You must submit your dictionaries with your code. Do not share dictionaries between friends.
3.The game will record your total points and name in a text file where a hall of fame which has different users and their total points in 10 questions. You can design and implement a class for this.
4.Bonus+5%: Put user interface modules textboxes, buttons, etc Or
a.Use class hierarchy
b.Use of thread and timers and reducing the question value by timer instead of guesses.
I recently had to work on a very simple banking application. Since customers provide their account numbers when they go to the teller to perform a transaction, I chose account number as the key to uniquely identify a customer. To address the fact that a customer can have multiple accounts, I decided to have an entry for every account the customer had, as part of my Teller class, so that he can identify himself with any of his active account numbers. When I was discussing this design with my friend, he felt it was bad and that I had to have a CustomerID field to uniquely identify a customer. I can't seem to understand why we can't do that with account numbers belonging to the customer?
I created a simple Hangman game. It functions correctly, the only issue is when the file contains a phrase (2 or more words), spaces are not displayed when the program is run. For example, if the phrase was Java Programming Forums.
It would appear as _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
I want there to be spaces in between the words. How could I fix this? What would I need to add to my code?
import java.util.Scanner; import java.io.*; public class hangman{ public static void main (String[] args) throws FileNotFoundException{ Scanner kb = new Scanner(System.in); String guess; String guesses = ""; int wrongGuess = 8;
The question states: Design a class named LinearEquation
for a 2 x 2 system of linear equations:
ax + by = e
cx + dy = f
Where
x =
ed − bf/ad − bc
y =
af − ec/ad − bc
The class contains:
- Private data fields a, b, c, d, e, and f. - A constructor with the arguments for a, b, c, d, e, and f. - Six get methods for a, b, c, d, e, and f. - A method named isSolvable() that returns true if ad−bc is not 0. - Methods getX() and getY() that return the solution for the equation.
Write a test program that prompts the user to enter a, b, c, d, e, and f and displays the result. If ad − bc is 0, report that "The equation has no solution."
I believe that my program is correct because I am able to compile it and get no errors, however I have no clue how to display the information for x and y or display this equation has no solution if ad-bc=0.
Java Code:
import java.util.Scanner; public class Exer911 { public static void main(String[] args){ // Create a scanner system to hold the numbers for each variable Scanner input = new Scanner(System.in); // Prompt the user to enter a number for each of the variables
I have seen many ways of describing what objects are, one being that objects are a user-defined datatype. However, if objects are datatypes, then what does that make classes? To me, it seems as though classes should be the "types" of data defined by the programmer, and objects should be the specific "values" of that user defined data type. As an example, an integer would be a class, while 1 would be a "value" of that class, i.e. an object. From this point of view, I don't see why a specific number would be a data type... Therefore, why do we say that objects are user defined data types rather than classes?
The game runs fine, however I have to include how many times each letter that is guessed occurs within the word. For example, if the guess is e, the program should print out: The character e occurs in 3 positions. How would I go about doing this??
/* * A program that plays simple word guessing game. In this game the user provides a list of words to the program. * The program randomly selects one of the words to be guessed from this list. * The player then guesses letters in an attempt to figure out what the hidden word might be. * The number of guesses that the user takes are tracked and reported at the end of the game. */
The project is to develop the game Translate the Word .... It is asking user to translate a word proposed to and check if the input response is correct. At the end of the game score will be calculated and displayed.
Game Play :
1 - Ask the user to specify , through the console , its name and the number of words to offer . It is up to you to handle exceptions (eg number of words greater than the number you provided ) 2 - Recover user response ( the word translated ) and check whether to continue . (eg you want to continue (y / n)) after each proposal. 3 - compare the response of the user with that which is preset for the word in question . 4 - Show the score at the end ( or at the breakpoint ) . 5 - Save the file in a user name , the score , the number of questions and the start date and end of the game played .
Some notes to consider :
1 - The language (eg, English - French , English - Arabic , etc. . ): It is up to you to specify the language adopted in the game and inform the user of your choice. 2 - The word bank to offer : It is up to you to develop the appropriate means to get the words to propose to the user. That said , the words and their translations can be retrieved :
a. a TXT file b . an XML file . ( Tutorials DOM and SAX ) c . CSV file ( OpenCSV Tutorial ) d. a database ( Tutorial Access) e . through APIs (eg Wordnet and google translate etc . ) . f . a combination of the previous options a, bc , d and / or e . (eg words stored in a txt file and answers retrieved from the api google translate) g . etc. .
Examples of files and databases are attached to the project statement . You will need to add one or more external libraries to your project. Click here for details on adding external libraries to Netbeans .
3 - A user will be associated with the question score if he can translate the word correctly. The score for each question can be calculated based on the number of words / questions to be proposed .
Development : In this project you will need at least a class called Question to encapsulate the word and its translations and provide all necessary methods to manipulate the object type Question.
An interface called IParser to make extensible project. Any class that implements IParser is a parser file (XML , TXT , CSV , etc.). / Database. In your project there will be a single class that implements IParser and will be used to retrieve words and their translations.
Add the ability to store the questions and answers of the user on the hard disk. Make the class Serializable Question
In my java web jsf seam jboss application, I want to add a row in a table with some data fields such as date type, String etc, but one field will be a word attachment, how to do it?
Basically, there is a loop to create some rows of data in a table, before each table row data creation, I will create a word file and saved to a local path(the physical file path is hardcoded), then I will create a table row and attach this word file to that row. the loop will continue until the end of loop.
I am setting text to textarea from textfield. It works perfectly. My challenge, however, is setting texts with spaces in-Between them. For example, what I observe is:Amount23 instead of: Amount 23. Is it possible to automatically create word space while setting texts?
I'm currently taking a computer program design class which has done a lot for my understanding of how to organize classes, but isn't giving me challenging enough assignments and I don't believe it's going to be covering interfaces and abstract classes, which is a shame. So I've been digging into these topics myself and decided to work on my own program (an Uno game program) that would utilize everything we've been learning and give me some practice with GUIs.
My current plan:
Have an abstract UnoCard class that determines the basic properties/methods common to all cards. Create a class for each card type extending from UnoCard, which would be - the generic card (number and color), action cards (skip, reverse, draw two), and special cards (wild, wild draw four, and blank).
Two enums, one for color, one for rank (which includes the numbers, as well as the action and special card ranks (reverse, wild, exc.) ).
A deck class would have an ArrayList <UnoCard> property and it's constructor would initialize a fresh deck.
A hand class that also has an ArrayList <UnoCards> where it gets said cards from the deck class.
A discard pile class, which contains the cards discarded and the current card in play.
A "board" class (haven't figured out a better name for it yet) which would determine/keep track of the number of players/hands, the turn order, the locations of the cards, and the winning condition.
Area of confusion and concern I'm having:
From what I've read, I want to avoid circular dependency. So if that's the case, when a card type effects the state of a "hand" or the turn order or really anything else, then in what class do I place the method(s) that effect that? If I place it in the specific card class, wouldn't that create a circular dependency? So would it be better then to have the hand class figure out what can be done with a specific card and what that specific card effects (which wouldn't that hinder the cohesion of the class?)?
I was also thinking a possible solution might be to have the non-generic card types contain methods that return values as apposed to manipulating higher level classes, such as a boolean drawCards which returns true if cards need to be drawn, false otherwise (same for skip, reverse, exc.).Then maybe the board class can determine what to do if those values are true or false (which actually seems more convoluted since only one value would be allowed to be true at any given time).
The other solution I was considering is to have a single UnoCardRules class, which serves the sole function of providing methods to determine the effects of each card, that way each card class can only worry about defining the card's state.
//create line Point beginOfLine = new Point(point1, point2); //ask user for second pair of coordinates System.out.print("Enter the coordinates for X2 or <Random> or <Exit>:"); userInput=keyboard.nextLine();
code part to another class but nothing..this is what a second class should be doing
1 - Write a java class called Point to represent a 2-D point (With x and y)
- The constructor should take the x & y as double
- The class should have accessor / mutator methods for all coordinates
2 - Write a java class called Line to represent a line (with a starting point and an ending point)
- The constructor arguments are the start and end points
//import utilities to be used in the program import java.util.Scanner; import java.util.Random; public class Point { //declare variables private double pointX, difX; private double pointY, difY;
I'm trying to get to grips with the AndEngine, so I've recently gotten hold of their Cookbook, but there's a section that's confusing. I'm using the Eclipse IDE with the section is asking that I create two inner classes to an ObjectFactory class. I'm not sure if what it wants me to do is doable in java or specifically in Eclipse. This is the section of code the book is asking me to create.
Java Code:
package com.example.helloworld;
public class ObjectFactory { public static LargeObject createLargeObject(final int pX, final in pY){ return new LargeObject(pX,pY); } public static SmallObject createLargeObject(final int pX, final in pY){ return new SmallObject(pX,pY); } } mh_sh_highlight_all('java');
Now this is returning errors that I should declare these two as individual classes, but I feel like I am missing something. Earlier the book asks you to create this BaseObject class.
Java Code:
package com.example.helloworld;
public class BaseObject { @SuppressWarnings("unused") private int mX; @SuppressWarnings("unused") private int mY;
[code]...
It then mentions that the two classes LargeObject and SmallObject are inner classes of BaseObject and extends this class. The ObjectFactory class is meant to determine which subtype of the base class that needs, as well as define the objects properties.
I am using libgdx and box2d to try to make a simple cannon game.
When I have the cannonball collide with another object I want to delete that object and have it stop calling all of it's functions. It doesn't seem like I can have it delete itself, and the contactListener has a reference to the cannonball and other object, but if I set either to null, it seems the original reference still exists and the object isn't deleted.
I made a kind of maze game that includes the class keylistener and orients a object, i can't find where the program tracks this object (where its x and y coordinates are). So now my object can move freely through all walls and i want it to bounce back or at least something to happen when the object reaches a wall.
I want to find a way to limit my objects movement and because i cant find where the coordinates or variable for this object is i cannot limit its movement
I'm having trouble creating two new die objects for the PairofDie class. I'm trying to run two separate die and print the face value and then add both numbers up and print those values as well.
public class Die { private final int MAX = 6; private int faceValue; //private int faceValue2; public Die(){ faceValue = 1;
[Code] .....
Exception in thread "main" java.lang.Error: Unresolved compilation problems:
The method Die() is undefined for the type PairofDice The method Die() is undefined for the type PairofDice at PairofDice.main(PairofDice.java:6)
I am new a creating GUIs and am not quite sure how to correctly make one. I have done the inheritance parts, and created two extra appliances: a washer and dryer. Now Creating the GUI ....
Here are the instructions to my project.
Introduction to GUIs (+ some inheritance)
For this assignment, you are going to create a user interface that interacts with the setters and getters of some classes that you will create.
First, create an abstract class called Appliance. This abstract class should have two attributes (dealing with household appliances) and two abstract methods called turnOn() and turnOff(). These methods should return void.
Then, create two subclasses of Appliance that represent household appliances (like a Refrigerator or Stove ((don't use those!))). These subclasses should have two attributes that are specific to the various appliance. Each subclass should implement the turnOn() and turnOff() methods. These methods should print to the command line some information about the appliance as it turns on and off.
Now, the fun part! Create a GUI interface!
Your window should have two panels: one for each appliance subclass. Each panel should have 4 textboxes (with appropriate labels) to receive/display information that correspond to the 4 attributes (2 from Appliance and 2 from the subclass) for each subclass.You also need 2 buttons on each panel: A Get button and a Set button.
When the Get button is pressed, the text boxes should be filled with the information from the instantiated object of the appropriate subclass. When the Set button is pressed, the object should then contain the information contained that the user has altered.
In your main method, you should create an object of each subclass, and prefill it with information (either using the constructor or the setters), then display your GUI. You should now be able to get and set the information for your objects from the GUI.
At least one of your attributes for each subclass should be numeric
Note that you will need to handle incorrectly formatted input (You can use exception handling to do this if you want to. Wrapper classes also will work)
If there is text in the boxes when the "Get" button is pressed, it should be overwritten by what is in the object. Remember that these two panels should both be on screen at the same time.
You don't need 2 different windows, one window: 2 panels.
Is it possible to use a loop to create objects? I'm trying to put together a program (just as a way of learning) to run a horse race.
What I'd like to is have the user enter the number of horses they want in the race, and then create the objects as the user enters the various attributes of the horse (at least the horse's name), and then once all the instance variables have been set, create the first horse object and then move on to the second one, etc, until all the horse objects have been created.
I know I can't use something like a for loop to do it, so how would the code be writte
Our instructor gave us a list of steps to complete after creating a Balloon, but I can't get past just creating it. Search results have brought up other Balloon thread, however I couldn't find a topic about issues just creating the balloon.
package myprojects; ublic class BalloonTester { public static void main(String[] args) { Balloon redBalloon = new Balloon("Red Balloon", 100);
I am simulating a game. This involves creating two Player objects(either HumanPlayer or ComputerPlayer), a TheBoard object, a TheGame object and a TheGameManager object. In the TheGameManager, i am trying to get it so that i can save the two Player objects, the TheBoard object and the TheGame object in current use at some point in the game and then load them later at some point. However, after debugged, i have found that it doesnt like the writeObject() method and skips and sends an exception up.
My TheGameManager class has the following fields:
public class TheGameManager implements GameManager { private Player player1; private Player player2; private TheBoard currentBoard; private TheGame currentGame; //private String[] args; private int iterations = 1;
I decided to write a small Java program to experiment around with BorderLayout, because I'm developing a Java game and I need to have 2 objects placed in a single JFrame at the same time, and everyone I asked said I need BorderLayout to do that.Before you answer: Also, is using BorderLayout the best option for adding multiple video game oriented objects such a sprites to a JFrame?
So the Java program I wrote is supposed to place a JButton on the JFrame and ALSO place a graphic component (a rectangle in this case). The problem is, only the button shows up, as can be seen in the image link below: URL....
Here is the code:
**main.java** --> The main method class + JFrame/JPanel/JButton constructor import java.awt.BorderLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; public class main {
