Chapter 4

Question 1

Loop control variable

Answer 1

A variable that controls the number of iterations preformed by a loop

Question 2

While loop type

Answer 2

Pretest

Question 3

Do while loop type

Answer 3

Post test

Question 4

For loop type

Answer 4

Pretest loop

Question 5

This type of loop always executes at least once

Answer 5

Do-while

Question 6

This expression is executed by the for loop only once, regardless of iterations

Answer 6

Initializing expression

Question 7

This variable keeps a running total

Answer 7

Accumulator

Question 8

To open a file for writing you use

Answer 8

PrintWriter

Question 9

To open a file for reading

Answer 9

File and scanner

Question 10

This class allows you to use the print and println methods to write data into a file

Answer 10

PrintWriter

Question 11

This class allows you to read a line from a file

Answer 11

Scanner

Question 12

(True or false) the while loop is a pretest loop

Answer 12

True

Question 13

(True or false) the do-while loop is a pre-test loop

Answer 13

False

Question 14

(True or false) The for loop is a post test loop

Answer 14

False

Question 15

(True or false) it is not necessary to initialize the accumulator variables

Answer 15

False

Question 16

(True or false) one limitation of the for loop is that only one variable may be initialized in the initialization expression

Answer 16

False

Question 17

(True or false)A variable may be defined in the initialization expression of the for loop

Answer 17

True

Question 18

(True or false) In a nested loop, the inner loop goes through all of its iterations for every iteration of the outer loop

Answer 18

True

Question 19

(True or false) to calculate the total number of iterations of a nested loop, add the number of iterations of all the loops

Answer 19

False