awt

Shouldn't triple buffering and Canvas be an optimal solution for passive rendering? I've just wrote this java code that displays a circle. If I leave bufferstrategy to 3, it flickers so much. If I turn it down to 2 or 1 it's ok. Maybe I'm doing something wrong? public void run(){ while (running){ update(); draw(); } } public void update(){ } public void draw(){ BufferStrategy bs = getBufferStrategy(); if (bs==null){ createBufferStrategy(3); return; } Graphics g = bs.getDrawGraphics(); g.setColor(Color.BLACK); g.fillOval(30, 30, 20, 20); g.dispose(); bs.show(); } and this is the JFrame class

documentDOM.addEventListener("click", new EventListener() { public void handleEvent(Event evt) { if (evt.getType().equals("click")) { System.out.println("hello"); MouseEvent mouseIvent = (MouseEvent) evt; int screenX = mouseIvent.getXOnScreen(); int screenY = mouseIvent.getYOnScreen(); System.out.println("screen(X,Y) = " + screenX + "\t" + screenY); } } }, true); I need to locate a specific pixel location on my Java application. This Java application can be windowed or maximized window. My code somehow doesn't return the integers. this event does fire as hello message is spit out. The key is

I have a question. I have one main frame, and to the left i have a sidebar with menus. My question is, is it possible to make another panel within the main frame, so that if menu1 is clicked, the related contents should be displayed to the second half of the main frame, and when other menus are pressed then obviously the relevant stuff according to what is selected. its a bit hard to explain, sorry. Has anyone got an idea, whether that is possible in Java with Eclipse? yes this's pretty possible you have look at CardLayout , this LayoutManager could be provide the simple way how to implement

I am preparing a window with some horizontal tabs using JTabbedPane, Tabs And window are prepared properly. Now I need to setup these tabs in level basis, based on my requirement (My logic returns integer value based on that I need to setup levels ). Levels look like : Can you please advise? Just the sight of screenshot: import java.awt.*; import java.awt.event.*; import javax.swing.*; public class TabHeightTest { public JComponent makeUI() { JTabbedPane tabbedPane = new JTabbedPane( JTabbedPane.TOP, JTabbedPane.SCROLL_TAB_LAYOUT); tabbedPane.setUI(new javax.swing.plaf.basic.BasicTabbedPaneUI(