| CheckBoxPanel.java | 
package addBk.address;
import java.awt.*;
public class CheckBoxPanel
    extends Panel {
  Checkbox name_cb =
      new Checkbox("In Name", true);
  Checkbox address_cb =
      new Checkbox("In Address", true);
  Checkbox info_cb =
      new Checkbox("In Info.", true);
  Checkbox phone_cb =
      new Checkbox("In Phone");
  Button b = new Button("Find");
  CheckBoxPanel() {
    setLayout(
        new GridLayout(0, 1));
    add(name_cb);
    add(address_cb);
    add(info_cb);
    add(phone_cb);
    add(b);
  }
}