QUESTION $18$

Which of the following statements is false?

Primitive types are keywords.

Primitive types must appear in all lowercase letters.

Real numbers contain decimal points.

Variable name identifiers must begin with a lowercase letter.

$5$ points

QUESTION $19$

Which of the following statements is true?

System.out.print$("$Enter your age: $")$; prompts the user to take action.

Class names typically begin with a capital letter.

Package java.lang is imported in every Java program.

All of the above are true.

$5$ points

QUESTION $20$

Optional parentheses in expressions are said to be

redundant.

binary operators.

implied.

declared.