TextAttribute.UNDERLINE_ON : TextAttribute « java.awt.font « Java by API

1. Java by API
2. java.awt.font
3. TextAttribute

TextAttribute.UNDERLINE_ON

import java.awt.Container;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.font.TextAttribute;
import java.text.AttributedString;

import javax.swing.JComponent;
import javax.swing.JFrame;

public class MainClass{
  public static void main(String[] args) {
    JFrame jf = new JFrame("Demo");
    Container cp = jf.getContentPane();
    MyCanvas tl = new MyCanvas();
    cp.add(tl);
    jf.setSize(300, 200);
    jf.setVisible(true);
  }
}

class MyCanvas extends JComponent {
  public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D)g;

    String s = "\"www.java2s.com,\" www.java2s.com";
    
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
        RenderingHints.VALUE_ANTIALIAS_ON);
    Font plainFont = new Font("Times New Roman", Font.PLAIN, 24);
            
    AttributedString as = new AttributedString(s);
    as.addAttribute(TextAttribute.FONT, plainFont);
    as.addAttribute(TextAttribute.UNDERLINE,
        TextAttribute.UNDERLINE_ON, 1, 11);
    g2.drawString(as.getIterator(), 24, 70);

  }
}
           
       

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