Apr 12, 2011 · Here is some sample code for creating a simple menu like you described, assuming your JFrame is called frame. //Create the menu bar. //Build the first menu. "File menu"); new ImageIcon("images/new.gif")); The important …

Mar 15, 2015 · You add the menubar after your frame has been set visible. Due to this, the frame is first rendered and afterwards the menubar is added. Try: frame.setJMenubar(mb); frame.validate(); frame.repaint(); this should solve the problem.

3 days ago · JFrame in Java is a class that allows you to crеatе and manage a top-lеvеl window in a Java application. It sеrvеs as thе main window for GUI-basеd Java applications and providеs a platform-indеpеndеnt way to crеatе graphical usеr intеrfacеs.

In this program, we will learn how to create a menu bar on the frame in Java Swing. JMenuBar is the class that is mandatory for the menu bar. The swing package is also important for the menu bar. If we want to create menu items on the menu bar its possible with the JMenuItem class. One or more menu items we create on one menu.

Jan 20, 2020 · As @jhamon says, create a subclass of JFrame that has your menu defined, and then subclass that for any other frame. As @mwarren and @jhamon said in comments you have to use inheritance. Create a Subclass of your JFrame and implement all the required functionality for the MenuBar there.

Jul 6, 2019 · JFrame is a Swing’s top-level container that renders a window on screen. A frame is a base window on which other components rely, such as menu bar, panels, labels, text fields, buttons, etc. Almost every Swing application starts with JFrame window. This article provides a summary of common practices when using JFrame in Swing development. 1.

The JFrame is a class of java.swing package which is inherited and extended from the Java AWT package. It is used for creating lightweight window applications. It includes various components such as labels, panels, buttons, etc for creating a beautiful Graphical User Interface (GUI).

Jun 6, 2014 · In this article, we include a Java JFrame tutorial through examples. We will discuss some of the main methods and how JFrame and other main classes like JPanel, JLabel, and JButton fit into the Swing hierarchy. We will then create a simple GUI using the javax.swing package. 1. Introduction.

There are two ways of creating a Java JFrame, either by creating a variable that is the JFrame or by having our class be a subclass of JFrame. Let's start with creating a JFrame variable. Here you can see we are creating a JFrame variable called window.

To change the default behavior, you invoke the method setDefaultCloseOperation(int). To make the JFrame behave the same as a Frame instance, use setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE). For more information on content panes and other features that root panes provide, see Using Top-Level Containers in The Java Tutorial.