bjpeterdelacruz

    JFrame frame = new JFrame();
    final JPanel panel = new JPanel();

    // Create tree and add nodes.
    DefaultMutableTreeNode root = new DefaultMutableTreeNode(new TestObject("Hello"));
    root.add(new DefaultMutableTreeNode(new TestObject("World")));
    root.add(new DefaultMutableTreeNode(new TestObject("Foo")));
    root.add(new DefaultMutableTreeNode(new TestObject("Bar")));
    final JTree tree = new JTree(root);

bjpeterdelacruz

  private URLClassLoader childClassLoader;
  private Class<?> clazz;

  @Before
  public void init() throws Exception {
    // put class file in same package together with this source file
    URL url = getClass().getResource("MyClass.class").toURI().toURL();
    childClassLoader = new URLClassLoader(new URL[] { url },
      getClass().getClassLoader());
    clazz = childClassLoader.loadClass("com.bpd.old.MyClass");

bjpeterdelacruz

import java.util.ArrayList;

/**
 * This program finds all of the prime numbers between 0 and a number supplied by the user,
 * inclusive.
 * 
 * @author BJ Peter DeLaCruz
 * @version 1.1
 */
public class CountingPrimeNumbers {

bjpeterdelacruz

ahead(centerY * 2); // Move to the bottom edge.
turnRight(90.0); // Face west.
ahead(centerX); // Move to the lower left corner.
turnRight(90.0); // Face north.
ahead(centerY * 2); // Move to the upper left corner.

bjpeterdelacruz

counter = 0;  // If robot loses radar contact with enemy after 10 turns,
tracker = 0;  // try to find it again or pick another enemy by resetting
              // tracker back to zero.

bjpeterdelacruz

// Move to the bottom edge.
ahead(centerY * 2);
// Face west.
turnRight(90.0);
// Move to the lower left corner.
ahead(centerX);
// Face north.
turnRight(90.0);
// Move to the upper left corner.
ahead(centerY * 2);

bjpeterdelacruz

public class MyFileChooser extends JFileChooser {
 
  public MyFileChooser() {
    setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
    addPropertyChangeListener(new MyListener());
  }
 
  private class MyListener implements PropertyChangeListener {
    public void propertyChange(PropertyChangeEvent event) {
      String property = FileChooser.SELECTED_FILE_CHANGED_PROPERTY;

bjpeterdelacruz

SomeObject obj = new SomeObject();
assertFalse(obj.hasA() || obj.hasB() || obj.hasC());
assertTrue(obj.hasD() && obj.hasE());

bjpeterdelacruz

SomeObject obj = new SomeObject();
assertTrue(!obj.hasA());
assertTrue(!obj.hasB());
assertTrue(!obj.hasC());
assertTrue(obj.hasD());
assertTrue(obj.hasE());

bjpeterdelacruz

SomeObject obj = new SomeObject();
// initial state
assertTrue(obj.hasA());
assertTrue(obj.hasB());
assertTrue(obj.hasC());
assertTrue(obj.hasD());
assertTrue(obj.hasE());
 
// perform some changes
assertTrue(!obj.hasA());