If statements DRILL

Front

What is the primary purpose of using if statements in Karel's programming?

Back

To allow Karel to make decisions based on conditions

Front

If Karel encounters a wall, which code snippet correctly uses an if statement to respond? Options: `if(frontIsBlocked()) {turnLeft();}` , `if(turnLeft()) {move();}` , `if(move()) {frontIsClear();}` , `if(ballsPresent()) {move();}`

Back

`if(frontIsBlocked()) {turnLeft();}`

Front

Which of the following conditions can be used to check if Karel is facing north? Options: `if(facingWest()) {move();}` , `if(facingSouth()) {turnRight();}` , `if(facingEast()) {turnLeft();}` , `if(facingNorth()) {move();}`

Back

`if(facingNorth()) {move();}`

Front

What happens if Karel executes a move command when the front is blocked?

Back

Karel will crash and stop.

Front

How can Karel check if there are no tennis balls present on the current corner?

Back

`if(noBallsPresent()) {move();}`