我有以下一段代码,我想帮助...
public class Nodes extends JPanel implements ActionListener, MouseListener, MouseMotionListener {
private static JPanel p1;
private static JPanel p2;
private JButton linkButton, nodeButton;
private Vector nodeVector, linkVector;
private Vector<Integer> data;
private String s1,s2;
public int x;
int pt1;
public int pt2;
private Rectangle Node;
private boolean f1, f2 = false;
Nodes () {
JFrame F = new JFrame ("Add Node / Add Link");
nodeVector = new Vector ();
linkVector = new Vector ();
data = new Vector <Integer> ();
F.setDefaultCloseOperation …