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Question 1
10 pts
Given the following code, enter the correct output for line System.out.println(colors.length):
String[] colors = new String[15];
colors[@] = "Red";
colors[1] = "Blue";
colors[2] = "Green";
colors[3] = "Gray";
colors[4] = "White";
colors[5] = "Black";
System.out.println(colors.length);
Question 2
10 pts
Given the following code, select the correct output:
String[] colors = new String[15];
colors[0] = "Red";
colors[1] = "Blue";
colors[2] = "Green"
colors [3] = "Gray";
colors[4] = "White";
colors[5] = "Black";
int i = 1;
System.out.println(colors[i++]);
O Red
O Blue
o
Green
Gray
White
Black
Question 3
10 pts
Given the following bidimensional array, select the correct value of the sum variable.
int[][] matrix = {{5,3,6},
{7,3,4},
{2,5,1}};
int sum = matrix[@][@] + matrix[1][1] + matrix[2][2];
Question 4
10 pts
Given the following code, enter the value of total variable after execution:
=
int[] numbers = {4,6,2,7,8,3,2};
int total = @
for(int k = 0; k< numbers.length; k = k+2)
total + numbers[k];
System.out.println(total);
Question 5
10 pts
Given the following source code, how many iterations are executed in the WHILE loop?
int k = 20;
while (k > 1) {
System.out.println(k);
k/=2;
Question 6
10 pts
Given the following source code, what is the value of sum after the loop has finished?
int x = 10;
int sum = 0;
do {
sum += x;
X--;
} while (x > 8);
Question 7
10 pts
Given the following source code, select the correct output:
=
int[] numbers = {4,6,2,7,8,3,9};
for(int j : numbers)
if(j%3 > 0)
continue;
else
System.out.print(j+" ");
04628
48
O 639
O
69
Question 8
10 pts
Given the following source code, what is the value of total after the loop has finished?
int total = 0;
for (int i = 1; i
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