Fill in the blanks in each of the following statements:

a.                are used to document a program and improve its readability.

b. A decision can be made in a Java program with a(n)                .

c. Calculations are normally performed by                statements.

d. The arithmetic operators with the same precedence as multiplication are                 and               .

e. When parentheses in an arithmetic expression are nested, the                   set of parentheses is evaluated first.

f. A location in the computer’s memory that may contain different values at various times throughout the execution of a program is called a(n)                                           .