What happens to a function defined inside a class without any complex operations (like looping, a large number of lines, etc)?

A. returnType functionName(parameters) { body; } B. functionName(parameters) { returnType body; } C. functionName(returnType, parameters) { body; } D. returnType functionName(parameters, body) { }

A. Determines the parameters of the function B. Specifies the return type of the function C. Provides the implementation of the function D. Declares the function before it is defined

A. return B. null C. void D. None of the above

A. add(a, b); B. add(int a, int b); C. functionName = add(a, b); D. add.functionName(a, b);