CodeHS Questions 100% Correct Answers Verified

Karen CodeHS Questions | 100% Correct
Answers | Verified | Latest 2024 Version
Why does a programmer indent their code? - ✔✔Easier for other people to understand, it helps show
the structure of the code, and it's a key part of good programming style!



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 - ✔✔/ / This is a comment



What is a method in Karel? - ✔✔A method is a command that Karel can do. It has a name and a set of
instructions



What is a code comment? - ✔✔A way to give notes to the reader to explain what your code is doing



Why do we use if/else statements in Java? - ✔✔To either do something if a condition is true or do
something else



What is wrong with this method declaration?



public karelDance()

[

move();

, turnLeft();

move();

turnLeft();

move();

] - ✔✔Not using curly brackets



Missing void



Using public instead of private



Which of these is a valid Karel command in Java?



move()

move();

move;

MOVE - ✔✔move();



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



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



public class CleanupKarel < Karel



CleanupKarel extends Karel



public class CleanupKarel extends Karel



public CleanupKarel - ✔✔public class CleanupKarel extends Karel