Java Programming for Beginners

The JFrame class

To start off on this track, we're going to write a program that will open up a new GUI window. The steps are as follows:

1. At the heart of the swing Java GUIs is the JFrame class. In our case, this class will be the actual window object that our operating system will handle and that we could move around our screen. We can create a new JFrame class as we might create any other object. We can even pass some parameters to this JFrame class's creation. If we just give it a string parameter, we'll be telling the JFrame class what to present as its name:

        package GUI; 
        import javax.swing.*; 
 
        public class GUI {             public static void main(String[] args) { 
                JFrame frame = new JFrame("Hello World GUI"); 
            } 
     
        } 

2. Once we've declared a JFrame ...