Check for understanding Arrays
Check Your Understanding of Arrays
Test your knowledge and understanding of arrays in programming with this quick quiz! Designed for students and teachers alike, it challenges your grasp of array syntax and operations.
In this quiz, you will:
- Review basic array concepts
- Answer multiple-choice questions
- Complete the quiz to see how well you know arrays!
Which of the following code segments declares and initializes a 1D array to store the values 2, 4, 6, 8, 10?
A. nums = 2, 4, 6, 8, 10;
B. int[] nums = {2, 4, 6, 8, 10};
C. int[] nums = new int[2, 4, 6, 8, 10];
D. nums = {2, 4, 6, 8, 10};
Consider the following code. int[] arr = {40, 30, 20, 10, 0}; Which of the following code segments assigns the value 2.5 to a variable named x?
A. Int x = arr.size / 2;
B. Double x = arr.size / 2.0;
C. Double x = arr.length / 2.0;
D. Int x = arr.length / 2.0;
Consider the following code segment:
int[] values ={2, 3, 4, 1, 5, 2, 4};
int sum = values[3] + values [4];
sum += values[6];
What is stored in sum after this code segment is run?
A.{3, 4, 6}
B.{1, 5, 4}
C.0
D.10
E.4
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