Comment on GWT 2.0parentComments−ivenkys16yIf you meant server-side , then it really doesn't matter. Its just byte-codes and GWT encourages modular development for client and server-side.So write your server side in your favourite JVM language and keep your client-side to Java.−pohl16yActually, write the server side in any language at all...not just JVM languages! GWT imposes no restrictions on the server side. Using servlets does win you a nice RPC mechanism, but you could use JSON and CPython, if you prefer.
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If you meant server-side , then it really doesn't matter. Its just byte-codes and GWT encourages modular development for client and server-side.
So write your server side in your favourite JVM language and keep your client-side to Java.
Actually, write the server side in any language at all...not just JVM languages! GWT imposes no restrictions on the server side. Using servlets does win you a nice RPC mechanism, but you could use JSON and CPython, if you prefer.