Karen Code HS Questions and Answers Already Passed

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Karen Code HS Questions and Answers Already Passed 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 What is the correct syntax for an if statement? if frontIsClear() { move(); } if(frontIsClear()) ( move(); ) if(frontIsClear()) { move(); } if(frontIsClear()) [ move(); ] ✔✔if(frontIsClear()) { move(); } Why do we use if statements in Java? ✔✔To do something only if a condition is true Say you want to write a program to have Karel to pick up all of the tennis balls in a location, but you don't know how many tennis balls there are. Which control structure would you use? An if/else statement A for loop An if statement A while loop ✔✔A while loop Which of these code snippets would be the best implementation of a method called moveToWall() which moves Karel to the end of a row in the current direction? while(frontIsClear()) { move(); } for(int i = 0; i < 10; i++) [Show More]

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