Connect Four Game
Nov 25, 2014
Our assignment is to make a version of the classic 'Connect Four' game, where we need to construct a GUI that shows the current state of the game and instead of having a winner once a player has four chips in a row, the game needs to continue until no chips can be placed anymore.We currently get stuck in the GUI part. Running it right now results in a board with empty spaces only. Also after choosing a column to place, the board remains empty.
Our question: How do we get the board filled with the right color of chips at the right place?We know the 'ArcsPanel'-class (almost at the bottom of the code) is wrong, but we don't know what to do to make it right.
Main class 'ConnectPanel':
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.GridLayout;
[code]....
At the moment, only the colors white, red and blue are used. This is purely for finding out how to work in general.
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Oct 20, 2014
I have compiled and coded the whole thing, but the TIE function when no one wins, isn't popping up. I'm not sure why but here is my code;
import java.applet.AudioClip;
import java.awt.*;
import javax.imageio.ImageIO;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.sound.sampled.DataLine;
[code]....
The TIE doesn't pop up, that is all the errors i have, though there is no error messages.
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Apr 28, 2015
I am a student in an intro to computer science class working on my final project. This is essentially a game of connect 4, but only requiring 3-in-a-row for victory. We were given the base game and a sample file to work with to make an AI that beats our professor's ai in the base game. Here is the base game
package cs110.project3;
import javafx.application.Application;
import javafx.application.Platform;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
[code].....
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Nov 17, 2014
I have to make the connect 4 game be connect 3. Ive edited a code but I the math is over my head. These loop methods check the ways someone can win.
for (int j=0;j<7;j+=2)//need to change
{
if ((f[i][j+1] != " ")
&& (f[i][j+3] != " ")
&& (f[i][j+5] != " ")
&& (f[i][j+7] != " ")
&& ((f[i][j+1] == f[i][j+3])
&& (f[i][j+3] == f[i][j+5])
&& (f[i][j+5] == f[i][j+7])))
//end of loop
[code]....
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May 9, 2015
I have to make my connect 4 game smarter with an algorithm that can beat the human every time. How to do it??
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May 31, 2014
I am trying to make a Connect Four game with java swing, but I am getting an error with my attempt at making an multi D panel maker when I try to run it.
import javax.swing.*;
import java.awt.Color;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
[code]...
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Dec 26, 2014
I have just started learning about sockets and such... and i have created a chat program with a server and a client
server:
public class Server {
private static ServerSocket server;
private static Socket connection;
private static PrintWriter pw;
private static BufferedReader br;
private static JTextField textOutput;
[Code] ....
so, everything is working fine . There is only one thing i would like to do now: make it so that i can run the server from my computer and then others can run the client from theirs and we will be able to chat . So I tried:
In the client code on line 56 is says:
connection = new Socket("localhost",7777);
So I changed "localhost",7777 to "myip",7777)
But when i run the server on my computer and run the client on another computer i get this error:
java.net.ConnectException: Connection refused: connect
Why is the connection getting refused? is it for security reasons? so hackers cant connect to me or something? And is there a way to tell your computer to allow that client to connect?
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Aug 20, 2014
I am trying to learn how to connect to web sites using java. Someone suggested that I learn to "consume an API with java". They also suggested that I practice through a weather website called weather underground and sent me a link [URL] .... I would like to know how to connect to this site to get weather information.
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Mar 12, 2015
Opoly works this way: The board is a circular track of variable length (the user determines the length when the game app runs). There is only one player, who begins the game at position 0.
Thus, if the board length is 20, then the board locations start at position 0 and end at position 19. The player starts with a reward of 100, and the goal of the game is to reach or exceed reward value 1000. When this reward value is reached or exceeded, the game is over. When the game ends, your program should report the number of turns the player has taken, and the final reward amount attained.
In Opoly the game piece advances via a spinner - a device that takes on one of the values 1, 2, 3, 4, 5 at random, with each of the five spin values equally likely.
Although the board is circular, you should draw the state of the board as a single "line", using an 'o' to represent the current player position, and * represent all other positions. Thus if the board size is 10, then this board drawing:
**o******
means that the player is at location 2 on the board.
Here are the other Opoly game rules:
If your board piece lands on a board cell that is evenly divisible by 7, your reward doubles.
If you land on the final board cell, you must go back 3 spaces. Thus if the board size is 20, the last position is position 19, and if you land there, you should go back to position 16. (If the position of the last cell is evenly divisible by 7, no extra points are added, but if the new piece location, 3 places back, IS evenly divisible by 7, then extra points ARE added).
If you make it all the way around the board, you get 100 points. Note that if you land exactly on location 0, you first receive 100 extra points (for making it all the around), and then your score is doubled, since 0 is evenly divisible by 7,
Every tenth move (that is, every tenth spin of the spinner, move numbers 10,20,30,... etc.), reduces the reward by 50 points. This penalty is applied up front, as soon as the 10th or 20th or 30th move is made, even if other actions at that instant also apply. Notice that with this rule it's possible for the reward amount to become negative.
Here is the driver class for the game:
import java.util.*;
public class OpolyDriver{
public static void main(String[] args){
System.out.println("Enter an int > 3 - the size of the board");
Scanner s = new Scanner(System.in);
int boardSize = s.nextInt();
[Code] ....
heres the methods:
REQUIRED CODE STRUCTURE: Your Opoly class must include the following methods (in addition to the Opoly constructor) and must implement the method calls as specified:
playGame - The top-level method that controls the game. No return value, no parameters. Must call drawBoard, displayReport, spinAndMove, isGameOver.
spinAndMove - spins the spinner and then advances the piece according to the rules of the game. No return value, no parameters. Must call spin and move.
spin - generates an integer value from 1 to 5 at random- all equally likely. Returns an integer, no parameters.
move - advances the piece according to the rules of the game. No return value, takes an integer parameter that is a value from 1 to 5.
isGameOver - checks if game termination condition has been met. Returns true if game is over, false otherwise. No parameters.
drawBoard - draws the board using *'s and an o to mark the current board position. Following each board display you should also report the current reward. No return value, no parameters.
displayReport - reports the end of the game, and gives the number of rounds of play, and the final reward. No return value, no parameters.
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May 9, 2015
Im trying to make a tic tac toe game that you play against the computer using a random number generator and two dimensional arrays for the game board. Im not trying to make a GUI, the assignment is to have the board in the console, which I have done. I have run into a few problems with trying to get the computer player to correctly generate 2 integers and have those two integers be a place on the game board. Here is my code so far.
import java.util.Random;
import java.util.Scanner;
public class TicTacToe {
private static Scanner keyboard = new Scanner(System.in);
private static char[][] board = new char[3][3];
public static int row, col;
[Code] ....
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May 1, 2015
soo, is there a way to (via sockets or something like that) connect to a stream via the streamers url (or just via anything) and then get the actual stream? like the images that keeps updating? so that i can display the images/stream on a jframe?
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Nov 26, 2014
How can I connect to an SSH server in Java? I don't need/want a shell. I just want to connect to the SSH server and get the content of, say, file.txt. How can I do that? Example : I get host, user,pass in txt and connect it with java code!
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Dec 31, 2014
I have a vps set up to running a MySQL database already by zpanel but when I try to connect to the database with Java I am unable to connect and receive the message:
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server."
I have MySQL Connector(dev.mysql.com/downloads/connector/j) already added to my build and tried it with both the url and the ip. This is my connection code:
package net;
import java.sql.*;
import javax.swing.JOptionPane;
public class LoginDatabaseConnection {
Connection conn = null;
[Code] ....
The code is from youtube but when I connect to localhost it works fine however when I try to connect to the VPS the above error happens.
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Mar 23, 2014
i want o know that how can i connect my sql database to java
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Jul 22, 2014
I am having a problem to connect my .exe file to the database(mysql). I used launch4j to convert the jar file to .exe but the jar file can connect to the database when running inside the dist folder. When I run the .exe I am getting this error: No suitable driver found for jdbc:mysql.
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Nov 19, 2014
My code below is trying to make a connect four program without GUI. I'm having trouble with getting the players to make their moves. What should I put in my "makeAMove" method...
Java Code:
public class Connect
final static int MAXROW = 6;
final static int MAXCOL = 7;
public static void main(String[] args){
[code]....
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Apr 18, 2014
I am trying to make a Connect Four game with 6 rows and 7 columns. The board is a String 2D array and is supposed to look like this:
. . . . . . .
. . . . . . .
. . . . . . .
. . . . . . .
. . . . . . .
. . . . . . .
Whenever I enter a column number to drop a checker, the program immediately stops running and gives me a "java.lang.ArrayIndexOutOfBoundsException" and points to my checkWinner method. There are two int constants, one is LOWEST_ROW_INDEX = 5, and the other is RIGHTMOST_COLUMN_INDEX = 6. I cannot figure out what to do differently with my checking algorithm to stop this from happening.
public static String checkWinner(String[][] gb)
{
//tests for a horizontal line made by four of the same color checker
for(int row = 0; row <= LOWEST_ROW_INDEX; row++)
{
for(int col = 0; col <= RIGHTMOST_COLUMN_INDEX; col++)
[Code] .....
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Apr 21, 2015
For the latest assignment, my instructor has asked us to create a program where we create lines of at least for integers and if the program registers there being four of the same integer horizontally, vertically, or diagonally it returns true. For example:
1 1 1 1 1 2 3 4 1 2 3 4
4 3 6 2 2 1 4 5 1 5 6 7
8 2 0 3 3 2 1 6 1 3 5 7
4 7 9 3 5 7 4 1 1 8 9 0
If the program doesn't see four integers of the same value anywhere, it is supposed to return false. I've got it so it returns true for the lines above, 6x6 lines of integers and lines where only four out of six+ integers are equal. However, I cannot get my code to return false if there are only three matching integers in a row/column/diagonal nor can I get the program to print out either true or false for lines that do not start at the top left corner. (i.e 2 3 1 1 1 1) For the former I get this error message:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 4
at ConnectFour.is4Consecutive(ConnectFour.java:41)
at ConnectFour.main(ConnectFour.java:32)
For the latter:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 6
at ConnectFour.is4Consecutive(ConnectFour.java:43)
at ConnectFour.main(ConnectFour.java:34)
The answer to fixing my code is probably something small or something that will make me wonder why I hadn't thought of it myself... Here is my code:
import java.util.Scanner;
public class ConnectFour {
private static Scanner sc;
public static void main(String[] args)
{
sc = new Scanner(System.in);
System.out.print("Enter the height: ");
int h = sc.nextInt();
System.out.print("Enter the width: ");
[Code] .....
1 1 1 1
4 3 6 2
8 2 0 3
4 7 9 3
1 2 3 4
2 1 4 5
3 2 1 6
5 7 4 1
1 2 3 4
1 5 6 7
1 3 5 7
1 8 9 0
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Apr 5, 2014
I want to connect java program with Ms access.
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Apr 25, 2014
For my job I would to develop a Java application which downloads some data from a webpage and then process them.
The problem is that I have to authenticate to a proxy server to connect to the internet. As I browsed on the net, there is a possible way for implementation.
Authenticator.setDefault(new Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username, password);
[Code] .....
Sometimes it works fine, but usually I get the following exception:
java.io.IOException: Unable to tunnel through proxy. Proxy returns "HTTP/1.1 407 Proxy Authentication Required"
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:2083)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:183)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1511)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1439)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:254)
I don't understand what's the problem and why it's not persistent.
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Jan 10, 2015
it will shows this kind of error
com.microsoft.sqlserver.jdbc.SQLServerException: The connection to the host localhost, named instance sqlexpress has failed. Error: "java.net.SocketTimeoutException: Receive timed out". Verify the server and instance names, check that no firewall is blocking UDP traffic to port 1434, and for SQL Server 2005 or later verify that the SQL Server Browser Service is running on the host.
at com.microsoft.sqlserver.jdbc.SQLServerException.ma keFromDriverError(SQLServerException.java:171)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.g etInstancePort(SQLServerConnection.java:3174)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.p rimaryPermissionCheck(SQLServerConnection.java:937 )
at com.microsoft.sqlserver.jdbc.SQLServerConnection.l ogin(SQLServerConnection.java:800)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.c onnect(SQLServerConnection.java:700)
at com.microsoft.sqlserver.jdbc.SQLServerDriver.conne ct(SQLServerDriver.java:842)
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at jdbc.JdbcSQLServerConnection.main(JdbcSQLServerCon nection.java:25)
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Jan 22, 2015
Is there a way to connect the popupmenu to the right Object (JFrame).
(Something like SwingUtilities.getWindowAncestor(popupmenu)
I've created 2 JFrames each with the same MouseClass. When you click on the RMB a pop menu is shown with a background item. When clicked on the background item only the last created JFrame changes his background.
Below is my simplified code. I'm probably not thinking like a good OO'er.
static JFrame frame;
static JPopupMenu popupMenu;
public static void main(String[] args) {
popupInit();
frame = new JFrame();
frame.setBounds(0, 0, 230, 230);
[Code] .....
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Feb 16, 2014
I started with Eclipse and wrote the basic "Hello World" app and added a few other lines of a=5, b=9, println (a*b) etc. and ran the program in the screen.
Then I thought that perhaps I could move it onto my nexus 7 and see what it looks like there. [I have a lot to learn I suppose].
The first issue is that I can't connect my Nexus 7 tablet to me macbook pro without using "android file transfer" and then the computer does not show the device in the finder because it is running through the file transfer program.
I have done some research and changed the settings in the nexus to connect as a camera rather than storage but that doesn't work either.
So my main issue now is being able to get the program onto the device - can it simply be copied and pasted into one of the files on the device using the file transfer screen?
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Mar 6, 2014
Java Code:
import java.util.Properties;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
[Code] ....
Here is my sample email in java i am enable to send mail .....
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Jan 15, 2015
I'm working on an application I made a few years ago. At that time I connected to a local database so my address was 'jdbc:mysql://localhost:3306/'. That database is long gone so I recreated it on one of my hosted servers but I'm a little unsure of how to connect to it. At the moment I'm trying "jdbc:mysql://www.mydomain.com:3306/" but it is giving me an access denied error.
java.sql.SQLException: Access denied for user 'myusername'@'c-[my-ip].hsd1.pa.comcast.net' (using password: YES)Every result on Google seems to use localhost so I'm having a little difficulty figuring out the correct format.
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Dec 29, 2014
I am facing below problem while i am connecting with any services through(MashUp API).I am using below Jars
i)commons-logging-1.1.3.jar
ii)httpasyncclient-4.0-beta4.jar
iii)httpclient-4.3.6.jar
iv)httpcore-4.3.3.jar
v)httpcore-nio-4.1-beta2.jar
vi)httpmime-4.3.6.jar
vii)unirest-java-1.3.27.jar
Code:
public static void main(String[] args) throws UnirestException {
HttpResponse<InputStream> response = Unirest.post("https://ofc.p.mashape.com/directConvert/")
.header("X-Mashape-Key", "Y3MxEWkOX3mshcvQ85SZCoIqucVMp1qRpjbjsn0TYnnY8c1fIR")
.field("file", new File("<file goes here>"))
.field("format", "woff")
.field("output", "tar.gz")
.asBinary();
[code]....
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