5.11 Multiple Choice Questions

Welcome to Unit 5 AP Computer Science A Multiple Choice Questions! Grab some paper and a pencil 📄 to record your answers as you go. You can see how you did on the Unit 5 Practice Questions Answers and Review sheet once you're done. Don't worry, we have tons of resources available if you get stumped 😕 on a question. And if solo study is not your thing, join a group in Hours!

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Facts about the test: The AP Computer Science A exam has 40 multiple choice questions and you will be given 90 minutes to complete the section. That means it should take you around 34 minutes to complete 15 questions.

A. private int getX()

B. public int getX()

C. private void getX()

D. public void getX(int x)

A. The value result.length() - 1 is printed.

B. The value 1 is always printed

C. The value 0 is always printed

D. A substring containing the last character of word2 is printed.

A. int rn = (int) (Math.random() * 25) + 60;

B. int rn = (int) (Math.random() * 26) + 60;

C. int rn = (int) (Math.random() * 25) + 36;

D. int rn = (int) (Math.random() * 36) + 25;

A. The value is always true

B. The value is always false

C. The value is true when a has the value false, and is false otherwise

D. The value is true when either a or b has the value true, and is false otherwise.

A. The Boolean expression in the for loop header should be changed to i < animals.length

B. The Boolean expression in the for loop header should be changed to i < animals.length -1.

C. The Boolean expression in the for loop header should be changed to i < animals[i].length

D. The condition in the if statement should be changed to animals[i].equals(str).

A. II only

B. I and II only

C. II and III only

D. I, II, and III

A. ["one", "four", "five"]

B. ["three", "four", "two"]

C. ["three", "two", "five"]

D. ["three", "four", "five"]

A. The code segment causes an IndexOutOfBoundsException for all lists because of an incorrect Boolean expression in the for loop

B. The code segment skips some elements of myList because the indexes of all subsequent elements change by one when a list element is removed.

C. The code segment causes an IndexOutOfBoundsException for lists with at least one even element because the indexes of all subsequent elements change by one when a list element is removed.

D. The code segment removes the wrong elements of myList because the condition in the if statement to test whether an element is even is incorrect

A. 6

B. 68

C. 124

D. 1212

A. a method

B. a variable

C. a static parameter

D. a return value

A. a way to initialize a mutator

B. a way to initialize a list

C. a way to initialize a method

D. a way to initialize a field

A. An object is one element in a constructor method

B. An object names a variable that can change in a program

C. An object does the actual work in an object-oriented program

D. An object is a static variable in a program

A. name.substring(7);

B. Math.pow (3,6);

C. circle.getDiameter();

D. student.setEmail("smith@student.dist221.org");

A. general code for a mutator

B. general code for a getter

C. general code for an accessor

D. general code for a static method

A. A mutator method is accessible outside of the class

B. A mutator method is often a static method

C. A mutator method often sets the instance variable to a value in its parameter

D. A mutator method is also a getter for the method

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