Source Code : Highlight a word in JTextComponent

Java Is Open Source Programming Language You Can Download From Java and Java Libraries From http://www.oracle.com. Click Here to download
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://www.oracle.com. Click Here or search from google with Libraries Name you get jar file related it

Highlight a word in JTextComponent

  

import java.awt.Color;

import javax.swing.JTextArea;
import javax.swing.text.BadLocationException;
import javax.swing.text.DefaultHighlighter;
import javax.swing.text.Document;
import javax.swing.text.Highlighter;
import javax.swing.text.JTextComponent;

public class Main {
  public static void main(String[] argv) throws Exception {
    JTextArea textComp = new JTextArea();

    Highlighter hilite = textComp.getHighlighter();
    Highlighter.Highlight[] hilites = hilite.getHighlights();

    for (int i = 0; i < hilites.length; i++) {
      if (hilites[i].getPainter() instanceof MyHighlightPainter) {
        hilite.removeHighlight(hilites[i]);
      }
    }
    highlight(textComp);
  }
  public static void highlight(JTextComponent textComp) {
    try {
      Highlighter hilite = textComp.getHighlighter();
      Document doc = textComp.getDocument();
      hilite.addHighlight(3, 5, new MyHighlightPainter(Color.red));
    } catch (BadLocationException e) {
      e.printStackTrace();
    }
  }
}

class MyHighlightPainter extends DefaultHighlighter.DefaultHighlightPainter {
  public MyHighlightPainter(Color color) {
    super(color);
  }
}

   
    
  

Thank with us