Adv. CS II- Intro to Programming with Java

Which of these is a valid Karel command in Java?

• move()

• move;

• MOVE

• move();

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 way that you leave a note for someone else who reads the code.

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

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

• A method is the name for an entire Java program

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 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

What is the correct class signature in Java for a SuperKarel program?

• public class FunKarel << SuperKarel

• public class FunKarel extends Karel

• public class FunKarel extends SuperKarel

• public FunKarel extends SuperKarel

Which of these loops will run correctly 10 times?

• for(int i = 0; i > 10; i++) { turnLeft(); }

• for(int i = 0; i < 10; i++) { turnLeft(); }

• for(int i = 0, i < 10, i++) { turnLeft(); }

• for(int i = 0; i < 10; i + 1) { turnLeft(); }

Say you want to write a program to have Karel put down 300 tennis balls. Which control structure would you use?

• An if statement

• A for loop

• A while loop

• A nested while loop

What is a condition in Karel programming?

• The place in code where the program stops running.

• The number of times a program loops.

• What karel does during the program.

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