CodeHS Unit 1

What is a condition in Karel programming?

• What karel does during the program.
• A method that returns a true or false answer. Typically used within a control structure.
• The number of times a program loops.
• The place in code where the program stops running.

How can we teach Karel new commands?

• Define a new method
• A for loop
• A while loop
• 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 above

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 the method that gets called to start a Java Karel program?

• move()
• run()
• start()
• go()

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

• CleanupKarel extends Karel
  
• public CleanupKarel
• public class CleanupKarel < Karel
• public class CleanupKarel extends Karel

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 of designing your programs starting with the individual commands first
• 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 to use loops and classes to decompose the problem

If Karel is not on a tennis ball, and all directions around are clear, what will happen when running this code?

• Karel will not do anything
• Karel will go into an infinite loop
• Karel will put down a tennis ball
• Karel will turn left once