Arrays Quiz
By Mickey Arnold
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Last updated 10 months ago
11 Questions
8 points
8
Question 1
1.
What is output by the code below?
int[] array = {5,7,8,11,4};out.println( array[0] );
What is output by the code below?
int[] array = {5,7,8,11,4};
out.println( array[0] );
8 points
8
Question 2
2.
What is output by the code below?
int[] array = {5,7,8,11,4};out.println( array[1] );
What is output by the code below?
int[] array = {5,7,8,11,4};
out.println( array[1] );
8 points
8
Question 3
3.
What is output by the code below?
int[] array = {5,7,8,11,4};out.println( array[5/2] );
What is output by the code below?
int[] array = {5,7,8,11,4};
out.println( array[5/2] );
8 points
8
Question 4
4.
What is output by the code below?
int[] array = {5,7,8,11,4};out.println(array[array.length-1]);
What is output by the code below?
int[] array = {5,7,8,11,4};
out.println(array[array.length-1]);
8 points
8
Question 5
5.
What is output by the code below?
int[] array = {5,7,8,11,4};out.println(array[array.length]);
What is output by the code below?
int[] array = {5,7,8,11,4};
out.println(array[array.length]);
8 points
8
Question 6
6.
What is output by the code below?
int[] array = {5,7,8,11,4};out.println(array.length);
What is output by the code below?
int[] array = {5,7,8,11,4};
out.println(array.length);
8 points
8
Question 7
7.
What is output by the code below?
int[] array = {5,7,8,11,4};for(int i=0; i<array.length/2; i=i+2){ array[i]=array[array.length-i-1];}System.out.println(array[0]);
What is output by the code below?
int[] array = {5,7,8,11,4};
for(int i=0; i<array.length/2; i=i+2)
{
array[i]=array[array.length-i-1];
}
System.out.println(array[0]);
8 points
8
Question 8
8.
What is output by the code below?
int[] array = {5,7,8,11,4};out.println(array[7/2]);
What is output by the code below?
int[] array = {5,7,8,11,4};
out.println(array[7/2]);
8 points
8
Question 9
9.
What is output by the code below?
int[] nums = new int[10];for (int i=0; i < nums.length; i++){ nums[i] = i*2;}System.out.println(nums[5]);
What is output by the code below?
int[] nums = new int[10];
for (int i=0; i < nums.length; i++)
{
nums[i] = i*2;
}
System.out.println(nums[5]);
8 points
8
Question 10
10.
What is output by the code below?int[] array = {5,7,8,11,4};int sum = 0;for(int i = 0; i<array.length; i++) sum = sum + array[i];System.out.println(sum);
What is output by the code below?
int[] array = {5,7,8,11,4};
int sum = 0;
for(int i = 0; i<array.length; i++)
sum = sum + array[i];
System.out.println(sum);
20 points
20
Question 11
11.
Write a return method named run that returns an integer. run takes in one parameter which is an array of integers named one. run will return the sum of all values greater than 5 in the array one . The call run([3,4,5,6,7,8,9]) would return 30. Type your answer in the show your work box.
Write a return method named run that returns an integer. run takes in one parameter which is an array of integers named one. run will return the sum of all values greater than 5 in the array one . The call run([3,4,5,6,7,8,9]) would return 30. Type your answer in the show your work box.