import java.awt.*;
import java.applet.*;
import java.util.*;

public class Logic {          // Domain Logic performs actions, called by GUI
  private TextArea ta;        // print to ta
  public Logic(TextArea ta) { // constructor remembers textarea
    this.ta = ta;
  }
  public void createBean(TextField idField) {  // idField is input
    new Bean(idField.getText());               // create a bean
  }
  public void listBeans() {                    // list all beans
    Enumeration e = Bean.beans.elements();     // get elements from hash
    while (e.hasMoreElements()) {              // iterate
      ta.append(e.nextElement() + "\n");       // bean is printable with toString
    }
  } 
}