Error in my CODE- replace data in html tags in APPLET

MY REQUIREMENT:
I'm trying to send html format of output to an excel file....As you can see my data in the td tag had data as:
BRANCHOFFICE<125 & BRANCHOFFICE>176 where < is interpreted as an html tag....So I want to replace
< -> <
< -> >
& -> &
<HTML>
<table border="1">
<tr>
<td>BRANCHOFFICE<125 & BRANCHOFFICE>176</td>
</tr>
</table>
</HTML>
MY ERROR IN CODE:
So I'm testing my replace method in a small snippet.........
So the steps my code works is:
1)BRANCHOFFICE<125 & BRANCHOFFICE>176 gets converted to
BRANCHOFFICE<125 & BRANCHOFFICE>176
2)BRANCHOFFICE<125 & BRANCHOFFICE>176 gets converted to
BRANCHOFFICE<125 & BRANCHOFFICE>176
3)when it comes to the third & conversion it goes to a infinte loop....
CAN U PLS HELP ME TO SOLVE THIS BUG........
import java.applet.Applet;
import java.io.*;
public class escape
public static void main(String arg[])
String s1 = "BRANCHOFFICE<125 & BRANCHOFFICE>176";
System.out.println("s1 = " + escape(s1));
private static String escape(String s)
while( true )
int index = s.indexOf('<');
if ( index != -1 )
String before = s.substring( 0, index );
String after = s.substring( index+1, s.length() );
s = before + "<" + after;
continue;
index = s.indexOf('>');
if ( index != -1 )
String before = s.substring( 0, index );
String after = s.substring( index+1, s.length() );
s = before + ">" + after;
continue;
index = s.indexOf('&');
if ( index != -1 )
String before = s.substring( 0, index );
String after = s.substring( index+1, s.length() );
s = before + "&" + after;
continue;
break;
return s;
}

Jdk 1.4:import java.applet.Applet;
import java.io.*;
public class escape
     public static void main(String arg[])
          String s1 = "BRANCHOFFICE<125 & BRANCHOFFICE>176";
          System.out.println("s1 = " + escape(s1));
     private static String escape(String s)
          s = s.replaceAll ("&", "&");
          s = s.replaceAll ("<", "<");
          s = s.replaceAll (">", ">");
          return s;
}<= Jdk 1.3:import java.applet.Applet;
import java.io.*;
public class escape
     public static void main(String arg[])
          String s1 = "BRANCHOFFICE<125 & BRANCHOFFICE>176";
          System.out.println("s1 = " + escape(s1));
     private static String escape(String s)
          s = replace (s, "&", "&");
          s = replace (s, "<", "<");
          s = replace (s, ">", ">");
          return s;
     private static String replace(String original, String find, String replacement) {
          int i=0;
          if ((i=original.indexOf(find)) > -1) return original.substring(0, i) + replacement
               + replace(original.substring(i+find.length()), find, replacement);
          else return original;
}

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