You can find LAF libraries by searching for 'laf' on sites like, or on popular coding sites like GitLab or GitHub. The few that are bundled with Java suffice in a pinch, but newer ones are available, and you can bundle those libraries with your code to give your application a different theme. Java Swing gets its theme from Look and Feel (LAF) libraries. (Seth Kenlon, CC BY-SA 4.0) Look and Feel Java libraries
Run that in the Java IDE of your choice or with Java directly: $ java App.java SetDefaultCloseOperation(JFrame.EXIT_ON_CLOSE) JRadioButton rad_world = new JRadioButton('World') Window.add(Box.createRigidArea(new Dimension(10, 15))) JButton btn_hello = new JButton('Hello') ītn_tSize(new Dimension(80, 20)) tLayout(new BoxLayout(window, BoxLayout.X_AXIS)) You can see a simpler version for yourself with this demo code: package 2app
