State whether each of the following is true or false. If false, explain why.

a) Comments cause the computer to display the text after the // on the screen when the program executes.

b) All variables must be given a type when they’re declared.

c) Java considers the variables number and NuMbEr to be identical.
d) The remainder operator (%) can be used only with integer operands.

e) The arithmetic operators *, /, %, + and - all have the same level of precedence.

f) The identifier _ (underscore) is valid in Java 9.