Skip to main content

All Questions

Tagged with
0 votes
0 answers
218 views

Java using AWT list and sockets to send a direct message in a chat room

I am using Java sockets to create a simple chat room and using AWT component for the GUI. I have all functions of the chat room working, it sends and recieves messages to/from all users, etc... One ...
tjsem's user avatar
  • 3
-2 votes
2 answers
45 views

AWT: I am trying to learn Java and was unable to understand the following program

What is "new MyCanvas()" in f.add(new MyCanvas()); How did we get the oval even though the paint() method is not called either in CanvasExample class constructor or in the main() method What is new ...
M.Joe's user avatar
  • 1
0 votes
1 answer
808 views

Cast jzy3d.canvas to awt.component

I need cast the jzy3d canvas to java.awt.component, I want to display the chart in my frame with JCombobox and button but when I want to cast canvas to component, the program was dropped. Thank you ...
Kex's user avatar
  • 93
0 votes
1 answer
460 views

Set size of java element using AWT

I am new to java. I have started learning java 1 day ago.. I am background of c++ (not very good 1 year of intermadiate exp). In java we have started Gui programming. So i would like to ask you how ...
user avatar
0 votes
1 answer
139 views

Refresh custom container through a button inside it in Java

Good morning, I have a class that inherit from java.awt.Container. His scope is to wrap a list of Files showing them vertically as a "file name Labels + delete Buttons" list. files are shown ...
Andrea Grimandi's user avatar
0 votes
1 answer
203 views

Java not focusing any component

I use a c1.setFocusable(false) so that my Checkbox c1 is not focused as shown in the pic and after that, focus goes to the next Checkbox c2, I use again c2.setFocusable(false) and it continues to all ...
Giannis Thanasiou's user avatar
0 votes
1 answer
190 views

Java printer api

I want develop a stand alone application for a medical store with Java Swing. There is a mandatory requirement of printing of a sheet with a small size (219mm to 140mm) with a single click without the ...
Yogesh Kumar's user avatar
3 votes
2 answers
2k views

Use geometric shapes as components

I am trying to create an application similar to Paint, in which I must use some basic shapes in order to create more complex ones. I will use Swing. I have to be able to drag and drop objects from ...
Mihai Andrei Rustiuc's user avatar
0 votes
2 answers
53 views

Is it possible to make different mouseClicked() for the same class?

My java program already have a Canvas, I plan to add 4 Components with MouseListener to that Canvas to act as 4 Buttons. Of course 4 "buttons" will respond differently Can i create only ONE class for ...
Tu Dinh's user avatar
  • 13
2 votes
1 answer
12k views

Destroy instance of class then create instance of it again

i have a class (Class ButtonX) that contains a button when user clicks the button, it will create instance of the class DialogX when I create instance of the class DialogX it will show up JDialog ...
Jason Amavisca's user avatar
2 votes
1 answer
3k views

java multiple graphics [closed]

Okay so I have been working on this code for awhile that shows how the sorting algorithms work. Right now I have it working where it sorts multiple graphs with the same sort but I need each graph to ...
man123456's user avatar
1 vote
1 answer
42 views

What problems might arise when adding JComponents to a component

I am making some changes to an existing application whoose screens have been implemented by using awt components. Using swing in the new elements will make life easier but i know that there are some ...
e13420xx's user avatar
  • 718
1 vote
1 answer
255 views

mouse listener only one instance works

So i am setting mouse listeners to java components in the following manner: int[] monsters = new int[12]; monsters[0] = MonsterSelector.BL_BLUE_BUFF; monsters[1] = MonsterSelector....
sn0ep's user avatar
  • 3,943
1 vote
2 answers
762 views

How to create a custom GUI component in Java? (Need starting hints)

I would like to create a custom component in Java. It is like a text area but it is composed by grid and, as you write, every character goes in a grid cell. I have no idea where to start from. I ...
Thiezar's user avatar
  • 1,153
8 votes
2 answers
9k views

MediaTracker - how to use it, what are the benefits, or is there an alterative?

In the codebase we inherited the usage of MediaTracker was always done locally in each code block. new MediaTracker(new Canvas()); mediatracker.addImage(i, 1); try { mediatracker.waitForAll(); } ...
Charles Goodwin's user avatar

15 30 50 per page