Java tutorial
import java.awt.Container; import java.awt.GridLayout; import javax.swing.JFrame; import javax.swing.JTextArea; public class Main { public static void main(String args[]) { JFrame frame = new JFrame(); Container content = frame.getContentPane(); content.setLayout(new GridLayout(0, 2)); JTextArea leftTextArea = new JTextArea(); content.add(leftTextArea); leftTextArea.paste(); frame.setSize(250, 150); frame.setVisible(true); } }