When Ajax was introduced to the early and experienced developers, only JavaScript developers rejoiced because that is the main programming language of Ajax. Others who wanted to jump in the Ajax bandwagon would just have to study the language from the scratch. Among the developers, those who already knew Java were struggling to cope up. Not that they do not know the language but their knowledge are just in the gateway to know something but not everything. They were forced to leave Java and move to JavaScript just to use Ajax.