Add scroll bar to JTextArea

Complete source code below will show you, how to add scroll bar to JTextArea.You can use scroll pane constants like below to set your text area scroll bar.

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HORIZONTAL
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HORIZONTAL_SCROLLBAR_ALWAYS
HORIZONTAL_SCROLLBAR_AS_NEEDED
HORIZONTAL_SCROLLBAR_NEVER

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VERTICAL
**************
VERTICAL_SCROLLBAR_ALWAYS
VERTICAL_SCROLLBAR_AS_NEEDED
VERTICAL_SCROLLBAR_NEVER

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COMPLETE SOURCE CODE FOR : AddScrollBarToJTextArea.java
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import javax.swing.*;

public class AddScrollBarToJTextArea
{
public static void main(String[]args)
{
 //Create JTextArea
 JTextArea textArea=new JTextArea("Put your text here");

 //Create JScrollPane that will be use as JTextArea scrollbar from JTextArea object
 JScrollPane scrollBar=new JScrollPane(textArea,JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);

 //Create a window using JFrame
 JFrame frame=new JFrame("Add scrollbar to JTextArea");

 //add created JScrollPane into JFrame
 frame.add(scrollBar);

 //Set default close operation for JFrame
 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

 //Set JFrame size
 frame.setSize(500,200);

 //Make JFrame get to center
 frame.setLocationRelativeTo(null);

 //Make JFrame visible
 frame.setVisible(true);
}
}

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JUST COMPILE AND EXECUTE
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