GuiTextArea.java

import javax.swing.*; 

public class GuiTextArea {
 
 JTextArea myArea;

 //--------------------
 GuiTextArea(String title) {
	
	//Create and set up the window
	JFrame frame = new JFrame(title);
	frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	
	myArea = new JTextArea(20, 40);
	myArea.setEditable(false);
	JScrollPane scrollPane = 
	 new JScrollPane(myArea,
			 JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
			 JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
	
	frame.getContentPane().add(scrollPane);
	
	//Display the window.
	frame.pack();
	frame.setVisible(true);
 }

 //--------------------
 public void print(String s) { 
	myArea.append(s); 
 myArea.setCaretPosition(myArea.getDocument().getLength());
 }
 public void println(String s) { print(s+"\n"); }
 public void println() { print("\n"); }

}