The method d) c.setFont(new Font("Helvetica", Font.BOLD, 20)) sets the font (Helvetica, 20point bold) in component C.
A set of instructions that can be called for execution using the method name is a method in Java that can take in data or parameters and return a value - both parameters and return values are optional.
B it is b..............................................
Missing parenthesis would be a logic bug because it results in the wrong answer being generated by the compiler.