 Loops
3 years ago
mteichman
Save
Edit
Host a game
Live GameLive
Homework
Solo Practice
Practice 10 QuestionsShow answers
• Question 1
300 seconds
Q. How many times will the following code print "Welcome to Java"?
int count = 0;
while (count < 10) {
System.out.println("Welcome to Java");
count++;
}
8
9
10
0
• Question 2
300 seconds
Q. What is the output of the following code?
int x = 0;
while (x < 4) {
x = x + 1;
}
System.out.println("x is " + x);
0
1
3
4
• Question 3
300 seconds
Q.  Analyze the following code.
int count = 0;
while (count < 100) {
// Point A
System.out.println("Welcome to Java!");
count++;
// Point B
}
// Point C
count < 100 is always true at Point B
count < 100 is always false at Point B
count < 100 is always true at Point A  and count < 100 is always false at Point C
count < 100 is always true at Point Coint C
• Question 4
300 seconds
Q. How many times will the following code print "Welcome to Java"?
int count = 0;
do {
System.out.println("Welcome to Java");
count++;
} while (count < 10);
0
9
8
10
• Question 5
300 seconds
Q. Which of the following loops prints "Welcome to Java" 10 times?
A:
for (int count = 1; count <= 10; count++) {
System.out.println("Welcome to Java");
for (int count = 2; count < 10; count++) {
System.out.println("Welcome to Java");
}
for (int count = 1; count < 10; count++) {
System.out.println("Welcome to Java");
}
for (int count = 0; count <= 10; count++) {
System.out.println("Welcome to Java");
}
• Question 6
300 seconds
Q. The following loop displays _______________.
for (int i = 1; i <= 10; i++) {
System.out.print(i + " ");
i++;
}
1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5
1 3 5 7 9
• Question 7
300 seconds
Q. What is the output for y?
int y = 0;
for (int i = 0; i<10; ++i) {
y += i;
}
System.out.println(y);
1
36
45
9
• Question 8
300 seconds
Q. How many times is the println statement executed?
for (int i = 0; i < 10; i++)
for (int j = 0; j < 10; j++)
System.out.println(i * j);
100
10
45
20
• Question 9
30 seconds
Q. What is the number of iterations in the following loop:
for (int i = 1; i < n; i++) {
// iteration
}
2*n
n
n - 1
n + 1
• Question 10
300 seconds
Q. What will be displayed when the following code is executed?
int number = 6;
while (number > 0) {
number -= 3;
System.out.print(number + " ");
}