AP CS A Unit 6 Exam PRACTICE

AP CS A Unit 6 Exam PRACTICE

9th - 12th Grade

20 Qs

quiz-placeholder

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AP CS A Unit 6 Exam PRACTICE

AP CS A Unit 6 Exam PRACTICE

Assessment

Quiz

Computers

9th - 12th Grade

Practice Problem

Medium

Created by

Scott Chamberlain

Used 9+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What return statement may be used in p()?

return 1;

return {1, 2, 3};

return int[]{1, 2, 3};

return new int[3];

return true;

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What does the following method do?

Returns a count of the number of elements in the array.

Returns the sum of the values in the array.

Returns a count of the number of times x appears in the array.

Returns the average of the values in the array.

Returns a count of the number of positive elements in the array

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Consider the following instance variable and method.

Which of the following replacements for /* missing code */ correctly implements the method printEvenIndices()?

Media Image
Media Image
Media Image
Media Image
Media Image

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Assume the following method has been defined.

What is output by the following code?

String[] b = {"aardvark", "banana", "cougar", "daikon", "elephant", "fog", "get"};

System.out.println(mystery(b, 5));

0

2

3

4

5

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

When you pass an array to a method, the method receives _______.

a copy of the array

a copy of the first element

a copy of the reference to the first element

a copy of the reference to the array

the length of the array

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What does the following algorithm do?

Adds 1 to every value in the array.

Doubles all the values in the array.

Changes all the values in the array to even numbers.

Tests if the elements in the array are even or odd.

Doubles every other value in the array.

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Consider the following method.

What is printed when the code above is executed?

pro

pprpro

pprogrpro

prprograprog

programprogramprogram

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