Return-Type-Based Method Overloading in Java

It is an accepted fact that Java does not support return-type-based method overloading. This means that a class cannot have two methods that differ only by return type -- you can't have int doXyz(int x) and double doXyz(int x) in the same class. And indeed, the Java compiler duly rejects any such attempt. But recently I discovered a way to do this, which I wish to share with all. Along the way, we will also explore some rudiments of Java bytecode programming

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