September 21st, 2022

• To terminate program when window closes: setDefaultCloseOperation(EXIT_ON_CLOSE) (method on JFrame)

This somehow runs code as thread safe (avoid race conditions?):

public static void main(String [] args) {
	public void run() {
		new Main();
	}
}

MyRun myRun = new MyRun();
java.awt.EventQueue.invokeLater(myRun);

or:

java.awt.EventQueue.invokeLater(new Runnable() {
	public void run() {
		new Main();
	}
});

• BorderLayout: like Finder, where there’s 1-4 fixed-width border areas and a variable-width content area.
  • add(new Border(), BorderLayout.WEST)
• Nest JPanel as much as you’d like (like <div>)

Java

• public final int = 3;
  • You can never change this value, it’s a constant
• public static int = 3;
  • This applies to all items of the class, and it’s shared and only stored once.
  • Can be called on the class itself without having an instance (Rect.printCount()).
• To compare string contents, we do s1.equals(s2).