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COMPLETE SOURCE CODE FOR : GetJTextAreaText.java
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import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JTextArea;
import java.awt.BorderLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
public class GetJTextAreaText implements ActionListener
{
//Create button with text ( Click me to get JTextArea contents )
JButton button=new JButton("Click me to get JTextArea contents");
//Create JTextArea
JTextArea textArea=new JTextArea();
//Create a window with title ( Get JTextArea text )
JFrame frame=new JFrame("Get JTextArea text");
public GetJTextAreaText()
{
//Set line wrapping for text area to true
textArea.setLineWrap(true);
//Add action listener to button
button.addActionListener(this);
//Set JFrame layout to BorderLayout
frame.setLayout(new BorderLayout());
//Add created text area into JFrame
frame.add(textArea,BorderLayout.CENTER);
//Add created button into JFrame
frame.add(button,BorderLayout.SOUTH);
//Set default close operation for JFrame
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//Set JFrame size
frame.setSize(400,500);
//Make JFrame visible
frame.setVisible(true);
}
public void actionPerformed(ActionEvent event)
{
if(event.getSource()==button)
{
//Method getText will get text from text area
JOptionPane.showMessageDialog(frame,"JTextArea text is : "+textArea.getText());
}
}
public static void main(String[]args)
{
GetJTextAreaText gjbt=new GetJTextAreaText();
}
}
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JUST COMPILE AND EXECUTE IT
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