Review

Calls JFrame.setPreferredSize() after JFrame.pack(), such that the size is not respected when rendering the frame.

Call JFrame.setPreferredSize() before JFrame.pack().

• misplaced/call

Pack1.java

misuse(JFrame, Dimension)

class Pack1 {
	public void misuse(JFrame f, Dimension d) {
		f.pack();
		f.setPreferredSize(d);
	}

}

public class PackAfterSize {
	public void pattern(JFrame f, Dimension d) {
		f.setPreferredSize(d);
		f.pack();
	}
}