What type of tool can be used to help a developer with design?

Answer the following statements true (T) or false (F)

1) Every if statement requires an associated else statement, but not every else statement requires an associated if statement. 2) In a nested if statement an else clause is matched to the closest unmatched if. 3) In Java, a boolean expression is limited to having exactly 2 logical operators. 4) A do statement should be used to avoid creating an infinite loop. 5) A while statement always executes its loop body at least once.

____________ are short notes placed in a program’s source code, explaining how the program works.

a. Sketches b. Tags c. Comments d. Labels