Y8 Java (Karel the dog)

Which function will turn Karel around?

• function turnAround()

  turnLeft();

  turnLeft();

  turnLeft();

  }

• function turnAround(){

  turnLeft();

  turnLeft();

  turnLeft();

  }

• function turnAround(){

  turnLeft();

  turnLeft();

  turnleft();

  }

How do we get a function to run in our program?

• We write it when we want to use it in a program

• We call it when we want to use it in a program

• We can set a time for it to run

• It runs automatically

Which is the correct code?

• turnLeft();

  putBall();

  move():

  putBall();

  move();

• turnLeft();

  putBall()

  move()

  putBall:

  move();

• turnLeft();

  putBall();

  move():

  putall:

  move();

Karel is stood at position (dot) 0,0. What position is the dot 2 places after Karel and 1 up?

• 2,1

• 1,2

• 0,2

• 2,0

I want Karel to move, drop a ball and move once again. Which is the correct code?

• function dropball(){

  move();

  putball();

  move();

  }

• function dropball(){

  putBall);

  putBall();

  move();

  }

• function dropball(){

  move();

  putBall();

  move();

  }

I need Karel to get to coordinate 0,3. Which code is correct?

• move();

  turnLeft();

  move();

  move();

• turnLeft();

  move();

  move();

  move();

• move();

  turnLeft();

  move();

  turnLeft();

What is the least number of times Karel needs to move forward (East) to complete this program? she starts at 0,0

• 2

• 3

• 4

• 5

Why do we use functions in a program?

• Easier to find bugs/problems in a program

• The program reads functions at a faster pace

• Functions take less time to write

• Organises the program more efficiently

Which is the correct program?

• move();

  turnLeft();

  putBall();

  move();

• move();

  putBall();

  move(0;

  turnLeft()

• move();

  putBall();

  move();

  turnLeft();

2 of the functions have bugs in them...which is correct

• function move(){

  turnLeft();

  turnLeft();

  turnLeft();

  }

• function move(){

  turnLeft();

  turnLeft();

  turnLeft();

• function move(){

  turnleft();

  turnLeft();

  turnLeft();

  }