So I'm still learning how to save data using Java. I know that saving data is extremely important when it comes to creating video games.
What I have here is this simple program.
Java Code:
import java.util.*;
import java.io.*;
import java.lang.*;
public class Character
{
private Formatter x;
private int roomNum;
private boolean[] visited = new boolean[10];
[Code]...
I'm trying to make sure that after I exit the program, joe starts in room 4, not room 1, and that he has visited rooms 1, 2, 3, 4, and 10. I have the save data created, but how do I save an array of boolean values?
I am trying to save the data a person enters to a file. See code below. It is compiling however the file created only shows largest =89, i want the file to show all the data a person enters.
import java.util.*; import java.io.*; public class LargerOfThree3{ public static void main(String args[]){ Scanner in = new Scanner(System.in);
I have a simple project to save data to the database. I have successfully mapped the java class with the database table. The code displays no error, it runs very well but it does not save to database, instead it catches an exception and prints out "saving failed". The database is a mysql database.
This is the managed bean code. Save.java(name=bean)
//imports
@ManagedBean(name="bean") @RequestScoped public class Save { private String username,password,msg; Session session = null; Transaction transaction = null; //GETTERS AND SETTERS public Save() {
[Code] ....
This is a screenshot of my Hibernate configuration file : hb.jpg
I am trying to make a program where a user can enter guests name for a hotel, the JTable includes rows for the name of the tenant, the room number, month etc.
I've made the table, however I am having some trouble in saving the data that I put into the table. I used jtextfield and a jbutton to but data into the jtable. I am trying to save the data, and load it just buy clicking a button.
table.setModel(new DefaultTableModel( new Object[][] { }, new String[] { "Room", "Name", "Month", "Payment"//table rows } ));
This is my basic table. And what I'm trying to do to save the data is:
DefaultTableModel model = new DefaultTableModel(); private JFileChooser myJFileChooser = new JFileChooser(new File(".")); private void saveTable() { if (myJFileChooser.showSaveDialog(null) == JFileChooser.APPROVE_OPTION ) { saveTable(myJFileChooser.getSelectedFile());
[Code] ....
When I run my program, I'm able to click on a button, and the dialog box will appear, I'm also able to save the data to a file. However when I click on the retieve data button I made the dialog box opens, the file is there, however when I click it, nothing happens.
I have created this project and want to be able to add new members to my members arraylist, store the input in a .txt file and load the new members after closing and opening the program.
I've tried everything but in vain..I want to save the data from the table into the database, I can easily connect to the database. All I want is how to get the values from the table. I've tried this method to get the values but its not working because of the contructor error in the BgTableModel class.
Tried Method public void writeBgEdu() { int last=gtm.getRowCount(); System.out.println(last); for( int i=0;i<last;i++) { if(((String) gtm.getValueAt(i,0))!=null)
I have created this project and want to be able to add new members to my members arraylist, store the input in a .txt file and load the new members after closing and opening the program.
We are currently trying to use the "confirm" button on our GUI as a fully functioning feature that saves the data input into a database. Here is the code for the GUI we have created...
We are trying to save some details of users for a database.
I've attached our work in zipped folder as i couldn't upload a thread with some many "URLs" .....
users are trying saving or updating incident request on website they are able to see fault string =Java.lang.stackoverflow : null when saving or updating ticket request on flex with Java hibernate.
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've already tested with disabled="false", too, but only the Session attribute is saved as NULL, though it appears in the form field. The other fields are saved properly.
What I am trying to do is save the the content drawn to my screen as an image. The following code is my render method and although I know how to use it, I don't fully understand the classes and how they work with is making this difficult.
public void render() { BufferStrategy bs = this.getBufferStrategy(); if (bs == null) { createBufferStrategy(3); return;
Is there any way to save variables while I'm using applet as single runnable .jar file?
For example if I start app first time some variable has value of 100. While using app it changes to 200. After closing app it disapear and next run gives me 100 again instead of 200. Is there any way to save that 200?
I'm trying to save to a table in a database that has only 2 fields, (id, nota) . I want to save the data several times just to click on "save" one look . The code that I have is this:
recently I was playing a lot in Eclipse, testing util classes, randomisation etc. But always when I wanted to keep something for future reference, I had to either comment it out or start a whole new class, copy all the code and change just that little thing I was testing.I was wondering if it's possible to actually save just the 'current state' of the code. The idea came back from my days when I was working with 3ds max and I saved the scene periodically so I could revert back anytime I messed up something.
I was looking into Object Serialisation and JUnit testing for this purpose, but that's just too complicated. Is there a way in Java (Eclipse) to accomplish such thing?
for measurement of application security isn't not allow to change this parameter to client , so the problem when I access for application and I open a new page via linker for print for example and I would access for my initial page to make change or modify my initial page it s no possible to make any modification because I have a empty bean , but if the state saving is a client I haven't a problem because a tree map is stored in client browser, so my version of JSF is 1.1.1 ,
Everything compiles but doesn't work like it should. What the idea is, is to be able to add class personnel objects and have them saved in a file, so that later on i would be able to see them.
Back to my problem: When i create a new "Personnel" and try to run Write and read, to see if my new "Personnel" is added to the list, it's not there at all... what do i do wrong?
import java.io.*; class Personnel implements Serializable //No other action required by Serializable interface. { private long payrollNum; private String surname; private String firstNames;
So, I have two classes (bubble sort and insert sort) which are sorting dates. I need to save their comparings and reallocation of elements.
And I don't know how to do it. The point is if I want save that dates(comparings and reallocation) to Result class i need to create new instances of class in each sorting classes so i can't later do something with that, because I have null in Main class.
To avoid that problem i have tried to make Result class as singleton.. I mean: "public static final Results INSTANCE = new Results();" and then in classes "static Results result = Results.INSTANCE" without constructor and to save for example comparings i had method:
Java Code:
int SetComparings(){ return comparings++; } mh_sh_highlight_all('java');
But it do not work too, because it overwrites old dates. Is there anyway to do not create instance of class? I don't want to copy whole code because it is too long and cant be unreadable, but i will put you structure of my program:
Java Code:
class BubbleSort{} class InsertSort{} class Results{} class Sorting{} // class with switch to choose which way of sorting use public class Main{} mh_sh_highlight_all('java');
