Arrays–Passing by Reference

Question 1

Complete the sentence.

Revolt · Accepted Answer

compiled

Question 2

What should you do when you are programming?

Revolt · Accepted Answer

Document the program.

Question 3

What would happen during compile time if you declared a variable as int myCar and then later referred to the variable as myTruck?

Revolt · Accepted Answer

You would receive an error message.

Question 4

Which term accurately denotes a memory address of an array value? Choose the best answer.

Revolt · Accepted Answer

reference

Question 5

How are passing by value and passing by reference different?

Revolt · Accepted Answer

The first uses a copy of the value, and the second uses a memory address.

Question 6

Which phrase defines a method that sends a copy of the value of a variable between methods?

Revolt · Accepted Answer

passing by value

Question 7

Why would you choose: int trainArray[] = {10, 20, 30, 40, 50, 60, 70, 80, 90, 100 }; instead of int[] trainArray = new int[10]; when you declare an array of a certain data type and size?

Revolt · Accepted Answer

because this approach requires much less code

Question 8

What is required at the end of every Java statement?

Revolt · Accepted Answer

a semicolon

Question 9

What would you recommend, given the scenario below? Situation: You are a programmer, and you need to create an array in Java using the most efficient method. Which of the following possibilities of declaring an array is best?

Revolt · Accepted Answer

int trainArray[] = {10, 20, 30, 40, 50, 60, 70, 80, 90, 100 };

Question 10

How would you classify passing by reference?

Revolt · Accepted Answer

a method of referencing the address as a value

Arrays–Passing by Reference Answers

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