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JFrame does not show anything


JFrame does not show anything

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JFrame does not show anything
Tag : development , By : John Q.
Date : November 29 2020, 04:01 AM

hop of those help? A friend of mine offfered to fix the problem. He added something called "extends Canvas".
Heres the fixed version:
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Font;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;


public class Game extends Canvas{
    private static final long serialVersionUID = 1L;
    public static JFrame window;
    public static Container c;
    JPanel titlePanel,startButtonPanel;
    JLabel titleLabel;
    JButton startButton;
    Font titleFont = new Font("Cooper Black", Font.PLAIN,90);
    private static int width = 800;
    private static int height = 600;
    public static String title ="Blueberry's Game";

    /*----------------------------------------------------------------------------------------------------*/
    public static void main(String[] args){
        Game game = new Game();
        Game.window.setResizable(false);
        Game.window.setTitle(Game.title);
        Game.window.add(game);
        Game.window.pack();
        Game.window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        Game.window.setLocationRelativeTo(null);
        Game.window.setVisible(true);
    }
    /*----------------------------------------------------------------------------------------------------*/
    public Game(){

        window = new JFrame();
        setPreferredSize(new Dimension(width, height));
        window.getContentPane().setBackground(Color.BLACK);
        c = window.getContentPane();

        //////////TITLE PANEL//////////////////////
        titlePanel = new JPanel();
        titlePanel.setBounds(100, 100, 600, 150);
        titlePanel.setBackground(Color.BLACK);
        titleLabel = new JLabel("TEXT RPG");
        titleLabel.setForeground(Color.WHITE);
        titleLabel.setFont(titleFont);

        //////////START BUTTON PANEL//////////////////////
        startButtonPanel = new JPanel();
        startButtonPanel.setBounds(300, 400, 200, 100);
        startButtonPanel.setForeground(Color.BLUE);

        //////////START BUTTON//////////////////////
        startButton = new JButton("START");
        startButton.setBackground(Color.BLACK);
        startButton.setForeground(Color.WHITE);

        //////////ADD ELEMENTS TO WINDOW//////////////////////
        titlePanel.add(titleLabel);
        startButtonPanel.add(startButton);

        //////////ADD ELEMENTS TO CONTAINER//////////////////////
        c.add(titlePanel);
        c.add(startButtonPanel);

    }
    /*----------------------------------------------------------------------------------------------------*/
}

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How can I reuse my JFrame to show several GUIs one after the other, instead of creating a new JFrame for each?


Tag : java , By : mckasty
Date : March 29 2020, 07:55 AM
Any of those help You might use JInternalFrames if you like them, or simply use a main panel with a CardLayout, and display the appropriate card depending on the clicked menu item, or the selected JTree node (as it's done in Windows Explorer and similar applications).
Use the Swing tutorial to get you started.

show a new jframe on another jframe close event


Tag : java , By : Pradeep Gowda
Date : March 29 2020, 07:55 AM
wish helps you You can add a Windows Listener to your frame.
WindowListener myExitListener = new WindowAdapter() {

            @Override
            public void windowClosing(WindowEvent e) {
                int confirmation = JOptionPane.showOptionDialog(jframe1, "Open frame2", "Open frame2", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, null, null, null);
                if (confirmation == 0) {
                  //open jframe2 here
                }
            }
        };


jframe1.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
jframe1.addWindowListener(myExitListener);

In Java Jframe open another JFrame but JFrame show nothing


Tag : java , By : Cowtung
Date : March 29 2020, 07:55 AM
Hope that helps i do a java program with Eclipse Window Builder, there got 2 class
Menu menu= new Menu();
menu.frame.setVisible(true);

How do you make Java JLabel show on JFrame after JFrame content is removed, revalidated, and repainted?


Tag : java , By : Nate Bedortha
Date : March 29 2020, 07:55 AM
wish of those help Call revalidate and repaint AFTER you have finished making the changes to the UI (remove AND add)

Opening a new jframe, and show the specified jpanel in that jframe


Tag : java , By : Yst
Date : March 29 2020, 07:55 AM
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