Have an account?
Skip to Content
Build your own quiz
19 questions
Show Answers
See Preview
- 1. Multiple Choice
Why do we use if statements in Java?
To break out of some block of code
To do something only if a condition is true
To do something while a condition is true
To repeat something for a fixed number of times
- 2. Multiple Choice
Which general if statement definition is written correctly?
for(condition)
{
//code
}
if(condition)
{
//code
}
if(int i = 0; i < count; i++
{
//code
}
if(false)
{
//code
}
- 3. Multiple Choice
Why do we use if/else statements in Java?
To repeat something for a fixed number of times
To either do something if a condition is true or do something else
To break out of some block of code
To repeat something while a condition is true
- 4. Multiple Choice
What does an if/else statement look like in Java?
if(condition)
{
//code
}
for(int i=0; i<count; i++)
{
//code
}
if(condition)
{
//code
}
if(condition)
{
//code
}
if(condition)
{
//code
}
else
{
//code
}
- 5. Multiple Choice
Why do we use while loops in Java?
To break out of some block of code
To do something if a condition is true
To repeat some code while a condition is true
To repeat something for a fixed number of times
- 6. Multiple Choice
Which general while loop definition is written correctly?
while(x is true)
{
//code
}
if(i<5)
{
//code
}
while(int i=0; i<count; i++)
{
//code
}
while(condition)
{
//code
}
- 7. Multiple Choice
Why do we use for loops in Java?
To repeat something for a fixed number of times
To do something while a condition is true
To do something if a condition is true
To break out of some block of code
- 8. Multiple Choice
Which general for loop definition is written correctly?
for(true)
{
//code
}
if(i<5)
{
//code
}
for(int i=0; i<count; i++)
{
//code
}
while(condition)
{
//code
}
- 9. Multiple Choice
What commands does SuperKarel know that regular Karel does not?
turnLeft() and jump()
turnRight() and move()
turnLeft() and move()
turnAround() and turnRight()
- 10. Multiple Choice
How do you write a SuperKarel class?
public class FunProgram extends Karel
private class FunProgram extends Karel
class FunProgram extends SuperKarel
public class FunProgram extends SuperKarel
- 11. Multiple Choice
What is a code comment?
A way to teach Karel a new word
A way to give notes to the reader to explain what your code is doing
A message to your teacher in code
A place to write whatever you want in your code
- 12. Multiple Choice
Why do we use methods in Java programming?
Make our program more readable
Avoid repeating code
Break down our program into smaller parts
All of the Above
- 13. Multiple Choice
What is top down design?
A way of designing your program by starting with the biggest problem and breaking it down into smaller and smaller pieces that are easier to solve.
A way that you can create designs on a computer to put on a web page
A way of designing your programs starting with the individual commands first
A way to use loops and classes to decompose the problem
- 14. Multiple Choice
Top Down Design starts with many small problems and leads to the big problem.
True
False
- 15. Multiple Choice
Making a movie is an example of Top Down Design.
True
False
- 16. Multiple Choice
If you need to write a program to have Karel move 6 times and put a ball, you should use a While Loop.
True
False
- 17. Multiple Choice
If you need to write a program that has Karel take all of the tennis balls where Karel is standing if there are any there, you should use a For Loop.
True
False
- 18. Multiple Choice
If you need to write a program that has Karel move if the front is clear but if it isn't clear, Karel will do nothing, you should use an If Statement.
True
False
- 19. Multiple Choice
How many times will Karel move in the following program?
public void run()
{
move();
for(int i=0; i<5;i++)
{
move();
putBall();
}
}
6
5
1
0
- Answer choicesTagsAnswer choicesTags