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public class TextArea extends TextComponent

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package vn.viettuts.awt;

import java.awt.Frame;

import java.awt.TextArea;

public class TextAreaExample1 {

    public TextAreaExample1() {

        Frame f = new Frame();

        TextArea area = new TextArea("Welcome to VietTuts.Vn "

                + "Ví dụ AWT TextArea");

        area.setBounds(20, 30, 300, 300);

        f.setTitle("Ví dụ AWT TextArea");

        f.add(area);

        f.setSize(400, 400);

        f.setLayout(null);

        f.setVisible(true);

    }

    public static void main(String args[]) {

        new TextAreaExample1();

    }

}

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package vn.viettuts.awt;

import java.awt.Button;

import java.awt.Frame;

import java.awt.Label;

import java.awt.TextArea;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

public class TextAreaExample2 extends Frame implements ActionListener {

    private Label label1, label2;

    private TextArea textArea;

    private Button button;

    public TextAreaExample2() {

        label1 = new Label();

        label1.setBounds(50, 50, 100, 30);

        label2 = new Label();

        label2.setBounds(160, 50, 100, 30);

        textArea = new TextArea();

        textArea.setBounds(20, 100, 300, 300);

        button = new Button("Count Words");

        button.setBounds(100, 400, 100, 30);

        button.addActionListener(this);

        add(label1);

        add(label2);

        add(textArea);

        add(button);

        setSize(400, 450);

        setLayout(null);

        setVisible(true);

    }

    @Override

    public void actionPerformed(ActionEvent e) {

        String text = textArea.getText();

        String words[] = text.split("\s");

        label1.setText("Words: " + words.length);

        label2.setText("Characters: " + text.length());

    }

    public static void main(String[] args) {

        new TextAreaExample2();

    }

}