Java Unit 1 - Quiz Review

What is a condition in Karel programming?

• The place in code where the program stops running.

• A method that returns a true or false answer. Typically used within a control structure.

• The number of times a program loops.

• What karel does during the program.

How can we teach Karel new commands?

• A. A for loop

• B. A while loop

• C. Define a new method

• D. The run method

Why does a programmer indent their code?

• Helps show the structure of the code.

• Easier for other people to understand.

• A key part of good programming style!

• All of the choices

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?

• private void turnRight()

  {

  turnLeft();

  turnLeft();

  turnLeft();

  }

• private void turnRight() { turnLeft turnLeft turnLeft }

• private void turnRight() { turnLeft(); turnLeft(); turnLeft(); }

• private turnRight() { turnLeft(); turnLeft(); turnLeft(); }

What is a method in Karel?

• A. A method is the name for an entire Java program

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

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

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