Now Google has come to the rescue by adding another language to the app engine — Java. Now you can have ‘java’ on the client and java on the server. The former is made possible by GWT (Google Web Toolkit) which takes the code you write in Java and translates it into separate targeted javascript code for the 5 of the most common browsers.
But like the visa advertisement that says “They don’t take American Express”, “Dreamhost doesn’t take Java”.
Java didn’t make it big on browsers. Javascript (no relationship with Java) is the defacto standard that all browsers support.
Javascript is an interpreted, dynamic typed language with powerful features not available in mainstream languages: functions are first class (they…