搭配synchronized達到StringBuilder的Thread-Safe

Java
https://gist.github.com/imrexhuang/df799e10868fed6d7ec94a7129160691

C#
https://github.com/imrexhuang/HelloThreadStatic/blob/master/HelloThreadStatic/HelloThreadStatic/Program.cs 


http://developer.classpath.org/doc/java/lang/StringBuffer-source.html

 182:   public synchronized int length()
 183:   {
 184:     return count;
 185:   }

http://developer.classpath.org/doc/java/lang/StringBuilder-source.html

 173:   public int length()
 174:   {
 175:     return count;
 176:   }