Java Swing How to - List All system Font in JTextPane

Question

We would like to know how to list All system Font in JTextPane.
Answer

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.GraphicsEnvironment;
//from  w w w  .j a  v  a  2 s.  co  m
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.text.MutableAttributeSet;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyledDocument;

public class Main { 
  public static void main(String[] args) throws Exception {
    int cp = 0;
    StyledDocument doc;
    JTextPane jta = new JTextPane();
    GraphicsEnvironment ge = GraphicsEnvironment
        .getLocalGraphicsEnvironment();
    doc = jta.getStyledDocument();
    JScrollPane jsp = new JScrollPane(jta);
    jsp.setPreferredSize(new Dimension(400, 400));
    String[] fnt = ge.getAvailableFontFamilyNames();
    MutableAttributeSet mas = jta.getInputAttributes();
    for (int i = 0; i < fnt.length; i++) {
      StyleConstants.setBold(mas, false);
      StyleConstants.setItalic(mas, false);
      StyleConstants.setFontFamily(mas, fnt[i]);
      StyleConstants.setFontSize(mas, 16);
      
      doc.insertString(cp, fnt[i]+"\n", mas);
      
      StyleConstants.setBold(mas, true);
      doc.insertString(cp, fnt[i]+"bold \n", mas);
      StyleConstants.setItalic(mas, true);

      doc.insertString(cp, fnt[i]+"bold and italic\n", mas);
      StyleConstants.setBold(mas, false);
      doc.insertString(cp, fnt[i]+"italic\n", mas);
    }
    JFrame frm = new JFrame();
    frm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frm.setLayout(new BorderLayout());
    frm.add(jsp, BorderLayout.CENTER);
    frm.setLocation(100, 100);
    frm.pack();
    frm.setVisible(true);  }
}