Not even C++ requires you to type a "useless float or char" ahead of a variable any more. But declaring something before using it offers a number of benefits wi

Not even C++ requires you to type a "useless float or char" ahead of a variable any more. But declaring something before using it offers a number of benefits with a JIT compiler in a VM. If you choose to use it, it's available. In this case, you can have it both ways.