A component is some sort of user interface element, such as a button or a text field.
Creating components is near identical to creating a window. Instead of creating a
JFrame however, you create that component. For example, to create a
JButton, you do the following.
JButton button = new JButton();
Many components can have parameters passed to them when created. For example, a button can be given some text to display.
JButton button = new JButton("Super Amazing Button!");
If you don't want to create a button, a list of common components can be found in another example on this page.
The parameters that can be passed to them vary from component to component. A good way of checking what they can accept is by looking at the paramters within your IDE (If you use one). The default shortcuts are listed below.
CTRL + P
CMD + P
CTRL + SHIFT + Space
CTRL + P
After a component has been created, you would typically set its parameters. After than, you need to put it somewhere, such as on your
JFrame, or on your content pane if you created one.
frame.add(button); //Add to your JFrame //OR pane.add(button); //Add to your content pane //OR myComponent.add(button); //Add to whatever
Here's an example of creating a window, setting a content pane, and adding a button to it.
JFrame frame = new JFrame("Super Awesome Window Title!"); //Create the JFrame and give it a title frame.setSize(512, 256); //512 x 256px size frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); //Quit the application when the JFrame is closed JPanel pane = new JPanel(); //Create the content pane frame.setContentPane(pane); //Set the content pane JButton button = new JButton("Super Amazing Button!"); //Create the button pane.add(button); //Add the button to the content pane frame.setVisible(true); //Show the window