Coding Teks area

//PROGRAM 13-8
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

class DemoTextArea {
public JTextArea textArea;
public JScrollPane scroller;

public DemoTextArea() {
textArea = new JTextArea(345,190);
textArea.setText(
"Ini adalah contoh string panjang " +
"(lebih dari satu baris) " +
"yang dimasukkan ke dalam komponen JTextArea.");
textArea.setLineWrap(true); //di-wrap atau dipotong

scroller = new JScrollPane(textArea,
ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
scroller.setLocation(0,0);
scroller.setSize(new Dimension(345, 190));
}

public void createAndShowGUI() {
JFrame.setDefaultLookAndFeelDecorated(true);
JFrame frame = new JFrame("Demo JTextArea");
frame.setLayout(null);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.getContentPane().add(scroller);

frame.setBounds(0, 0, 355, 200);
frame.setLocationRelativeTo(null);

frame.setVisible(true);
}

public static void main(String[] args) {
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
DemoTextArea app = new DemoTextArea();
app.createAndShowGUI();
}
});
}
}