import java.awt.*;
import javax.swing.*;

public class TextAreaDemoB extends JFrame {
        //============================================== instance variables
        JTextArea _resultArea = new JTextArea(6, 20);

        //====================================================== constructor
        public TextAreaDemoB() {
                String[] words = {"my","text","area"};

                for(String W : words)
                        _resultArea.append(W + "\n");
                JScrollPane scrollingArea = new JScrollPane(_resultArea);

                //... Get the content pane, set layout, add to center
                JPanel content = new JPanel();
                content.setLayout(new BorderLayout());
                content.add(scrollingArea, BorderLayout.CENTER);

                //... Set window characteristics.
                this.setContentPane(content);
                this.setTitle("TextAreaDemo B");
                this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                this.pack();
        }

        //============================================================= main
        public static void main(String[] args) {
                JFrame win = new TextAreaDemoB();
                win.setVisible(true);
        }
}