For Loops

Question 1

In which order do the statements in a ‘for’ loop appear?

Answer 1

Initialization statement, Continue condition, Increment statement

Question 2

How many times would the loop below iterate?

for (int n = 32; n < 55; n += 2) { 
    //some logic here
}

Answer 2

12

Question 3

How many times would the below loop iterate?

for (int p = 20; p >= 5; p -= 3) { 
    //logic goes here
}

Answer 3

6

Question 4

True or False?
In the code below i is accessible outside the loop

for (int i = 0; i < 10; i++) { 
    //some logic here
}

Answer 4

False

Question 5

What would the value of x be at the end of the final iteration, but before the loop exits?

for (int i = 0; i < 10; i++) {
int x = 6;
x += 2;
}

Answer 5

8

Question 6

True or False?
In the code below x would not be accessible outside the loop

for (int i = 0; i < 10; i++) {
int x = x + i;
}

Answer 6

True

Question 7

Determine the value of x output to the console given the code below?

int x = 5;
for (int i = 0; i < 2; i++) {

for (int j = 1; j < 4; j++) {
    x *= j;
} }

Answer 7

180

Question 8

What is the value of x printed to the console given the below code?

int x = 1;
for (int i = 2; i < 7; i++) {
   x = x + i;
}
System.out.println(x);

Answer 8

21

Question 9

What is the value of x printed to the console, given the code below?

int x = 2;
for (int i = 0; i < 5; i++) {
   x = i;
}
System.out.println(x);

Answer 9

4