GUI (Graphical User Interface): the interaction chanel between the user and the system

GUI (Graphical User Interface): the interaction chanel between the user and the system

1. It can be: standalone, web, or mobile

2. Usability depends on how intuitive, clear, and friendly the application is

3. Elements: buttons, labels, images, text files, icons, etc.

4. Containers: the frame and the panels

   • The frame is the main container for all GUI elements, which includes the minimize/maximize, close, and move actions
     • Some methods using Jframe include: setSize(width, height), setResizable(boolean input), setDefaultCloseOperation(EXIT_ON_CLOSE), setVisible(boolean input), and add(GUI component)
   • The panels are used to contain and group GUI elements within the frame based on their purpose

5. Layouts: BorderLayout and GridLayout

   • setLayout(new BorderLayout()); add(GUI component, BorderLayout.NORTH);
   • setLayout(new GridLayout(rows, columns)); add(GUI component);
   • Every container needs the specification of a layout to organize its elements
   • BorderLayout refers to the compass row (Center, North, South, East, West)
   • GridLayout refers to a matrix of rows and columns

6. Possible messages it can return: error, warning, or info