Get and Set the Tab Size of a JTextArea in Java

Description

The following code shows how to get and Set the Tab Size of a JTextArea.

Example


import java.awt.Font;
//  w w w .j  a v a  2 s  .  com
import javax.swing.JFrame;
import javax.swing.JTextArea;

public class Main extends JFrame {

  public Main() {
    JTextArea textarea = new JTextArea("Initial Text");
    textarea.setFont(new Font("LucidaSans", Font.PLAIN, 40));
    add(textarea);    

    // Get the default tab size
    int tabSize = textarea.getTabSize(); // 8

    // Change the tab size
    tabSize = 4;
    textarea.setTabSize(tabSize);

    Font font = textarea.getFont();
    System.out.println(font);
  }

  public static void main(String[] args) {
    JFrame frame = new Main();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    frame.pack();
    frame.setVisible(true);
  }
}

The code above generates the following result.

Get and Set the Tab Size of a JTextArea in Java




















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