//file: TextEntryBox.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class TextEntryBox {

  public static void main(String[] args) {
    JFrame frame = new JFrame("Text Entry Box");

    final JTextArea area = new JTextArea();
    area.setFont(new Font("Serif", Font.BOLD, 18));
    area.setText("Howdy!\n");
    final JTextField field = new JTextField();

    Container content = frame.getContentPane();
    content.add(new JScrollPane(area), BorderLayout.CENTER);
    content.add(field, BorderLayout.SOUTH);
    field.requestFocus();

    field.addActionListener(new ActionListener(  ) {
      public void actionPerformed(ActionEvent ae) {
        area.append(field.getText(  ) + '\n');
        field.setText("");
      }
    });

	frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
    frame.setSize(200, 300);
    frame.setVisible(true);
  }
}