import java.awt.*;import java.applet.*;import java.net.URL;import java.util.*;import graph.*;/*****************************************************************************    Applet example4**                                              Version 1.0   January 1996******************************************************************************    Copyright (C) 1996 Leigh Brookshaw****    This program is free software; you can redistribute it and/or modify**    it under the terms of the GNU General Public License as published by**    the Free Software Foundation; either version 2 of the License, or**    (at your option) any later version.****    This program is distributed in the hope that it will be useful,**    but WITHOUT ANY WARRANTY; without even the implied warranty of**    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the**    GNU General Public License for more details.****    You should have received a copy of the GNU General Public License**    along with this program; if not, write to the Free Software**    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.******************************************************************************    This is a simple applet that demonstrates how to use the TextLine**    Class***************************************************************************/public class example4 extends Applet {      TextLine text = new TextLine();      public void init() {      }      public void paint(Graphics g) {           drawtext(g);      }      public void update(Graphics g) {           drawtext(g);      }      public void drawtext(Graphics g) {           Rectangle r = bounds();           int x = r.x+r.width/2;           int y = r.y;           text.setFont(new Font("TimesRoman",Font.PLAIN,20));           text.setColor( new Color(0,200,0) );           text.setText("Examples of the TextLine Class");           y += text.getHeight(g);           text.draw(g,x,y,TextLine.CENTER);           text.setColor(Color.black);           text.setText("y=x$^2 ");           y += 1.5*text.getHeight(g);           text.draw(g,x,y,TextLine.RIGHT);           text.setColor(Color.magenta);           text.setText(" y=x^2");           text.draw(g,x,y,TextLine.LEFT);           text.setColor(Color.black);           text.setText("ln(y${$^x$_i$}) ");           y += 1.5*text.getHeight(g);           text.draw(g,x,y,TextLine.RIGHT);           text.setColor(Color.magenta);           text.setText(" ln(y{^x_i})");           text.draw(g,x,y,TextLine.LEFT);           text.setColor(Color.black);           text.setText("text ${$_subscripted$} or ${$^superscripted$} ");           y += 1.5*text.getHeight(g);           text.draw(g,x,y,TextLine.RIGHT);           text.setColor(Color.magenta);           text.setBackground(Color.black);           text.setText(" text {_subscripted} or {^superscripted}");           text.draw(g,x,y,TextLine.LEFT);           text.setBackground(null);           text.setColor(Color.black);           text.setText("ln(y${$^x$_i$})$^cos(z) ");           y += 1.5*text.getHeight(g);           text.draw(g,x,y,TextLine.RIGHT);           text.setColor(Color.magenta);           text.setText(" ln(y{^x_i})^cos(z) ");           text.draw(g,x,y,TextLine.LEFT);           text.setColor(Color.black);           text.setText("A${$^b$}${$_c$}D ");           y += 1.5*text.getHeight(g);           text.draw(g,x,y,TextLine.RIGHT);           text.setColor(Color.magenta);           text.setText(" A{^b}{_c}D");           text.draw(g,x,y,TextLine.LEFT);           text.setColor( new Color(0,200,0) );           text.setText("Examples of the TextLine.parseDouble() method");           y += 2.0*text.getHeight(g);           text.draw(g,x,y,TextLine.CENTER);           text.setColor(Color.black);           text.setText("0.000103452789  ");           y += 1.5*text.getHeight(g);           text.draw(g,x,y,TextLine.RIGHT);           text.setColor(Color.magenta);           text.parseDouble(0.000103452789,7,5,TextLine.ALGEBRAIC);           text.draw(g,x,y,TextLine.LEFT);           text.setColor(Color.black);           text.setText("1.03452789E10  ");           y += 1.5*text.getHeight(g);           text.draw(g,x,y,TextLine.RIGHT);           text.setColor(Color.magenta);           text.setBackground(Color.black);           text.parseDouble(1.03452789e10,4,3,TextLine.ALGEBRAIC);           text.draw(g,x,y,TextLine.LEFT);           text.setBackground(null);           text.setColor(Color.black);           text.setText("-1.03452789E10  ");           y += 1.5*text.getHeight(g);           text.draw(g,x,y,TextLine.RIGHT);           text.setColor(Color.magenta);           text.setBackground(Color.black);           text.parseDouble(-1.03452789e10,5,5,TextLine.ALGEBRAIC);           text.draw(g,x,y,TextLine.LEFT);           text.setBackground(null);           text.setColor(Color.black);           text.setText("-1.03452789E7  ");           y += 1.5*text.getHeight(g);           text.draw(g,x,y,TextLine.RIGHT);           text.setColor(Color.magenta);           text.setBackground(Color.black);           text.parseDouble(-1.03452789e7,6,6,TextLine.SCIENTIFIC);           text.draw(g,x,y,TextLine.LEFT);           text.setBackground(null);      }}