Unit 1 Karel Commands Quiz (Java)

Which of these is a valid Karel command in Java?

• move();

• MOVE

• move;

• move()

Which of these is a valid Karel command in Java?

• turnLeft();

• turnleft();

• turnLeft()

• TurnLeft

What is the name of this class?

• Karel

• FunKarel

• Run

• SuperKarel

What is the name of the method that gets called to start a Java Karel program?

• go()

• start()

• run()

• move()

Which is the correct class signature for a Karel program named CleanupKarel?

• public class CleanupKarel extends Karel

• public class CleanupKarel < Karel

• public CleanupKarel

• CleanupKarel extends Karel

Which of these methods will create a method called turnRight that will have Karel turn left three times?

• A

• B

• C

• D

What is a method in Karel?

• A method is the name for an entire Java program

• A method is something that lets you repeat a command a fixed number of times

• A method is a command that Karel can do. It has a name and a set of instructions.

• A method is the way that you leave a note for someone else who reads the code.

What is top down design?

• Top down design is 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.

• Top down design is a way that you can create designs on a computer to put on a web page

• Top down design is a way of designing your programs starting with the individual commands first

• Top down design is a way to use loops and classes to decompose the problem

Which of these show the proper format for a Java comment?

• /* * * My java comment */

• /** * * My java comment */

• // My java comment

• All of the above

Which of these is a valid way to write a single line comment in Java?

• // This is a comment

• ++ This is a comment

• This is a comment //

• /* This is a comment