SOLUTION TASK 5.01: Baking a Cake

public class MyKaraIO extends KaraIO {
	
	public void act() {
		drawRectangle(21, 4);
		
		stop();
	}

	public void drawRectangle(int width, int height) {
		int i = 0;
		while (i < height) {
			putLeaves(width);
			turnAround();
			multiMove(width);

			// Go to next line.
			turnRight();
			move();
			turnRight();

			i = i + 1;
		}
	}

	public void leaves(int count) {
		int i = 0;
		while (i < count) {
			putLeaf();
			move();
			i = i + 1;
		}
	}

	public void multiMove(int steps) {
		int i = 0;
		while (i < steps) {
			move();
			i = i + 1;
		}
	}

	public void turnAround() {
		turnLeft();
		turnLeft();
	}
}

SOLUTION TASK 5.02: Candles on Cake

public class MyKaraIO extends KaraIO {
	
	public void act() {
		drawRectangle(21, 4);
		drawCandles(10);
		
		stop();
	}

	public void drawCandles(int count) {
		int i = 0;
		while (i < count) {
			move();
			turnLeft();
			putLeaves(3);
			turnAround();
			multiMove(3);
			turnLeft();
			move();
			i = i + 1;
		}
	}

	public void drawRectangle(int width, int height) {
		// ...
	}

	public void putLeaves(int count) {
		// ...
	}

	public void multiMove(int steps) {
		// ...
	}

	public void turnAround() {
		// ...
	}
}

SOLUTION TASK 5.03: Candles for Age

public class MyKaraIO extends KaraIO {

	public void act() {
		drawRectangle(21, 4);

		int age = intInput("How old is your grandmother?");
		drawCandles(age / 10);
		
		stop();
	}

	public void drawCandles(int count) {
		// ...
	}

	public void drawRectangle(int width, int height) {
		// ...
	}

	public void putLeaves(int count) {
		// ...
	}

	public void multiMove(int steps) {
		// ...
	}

	public void turnAround() {
		// ...
	}
}

SOLUTION TASK 5.04: Layered Cake

public class MyKaraIO extends KaraIO {

	public void act() {
		int age = intInput("How old is your grandmother?");
		drawLayers(age / 10 - 5);
		
		stop();
	}

	public void drawLayers(int layers) {
		int currentWidth = 21;

		int i = 0;
		while (i < layers) {
			drawRectangle(currentWidth, 2);
			move();
			move();

			currentWidth = currentWidth - 4;
			i = i + 1;
		}
	}

	public void drawRectangle(int width, int height) {
		// ...
	}

	public void putLeaves(int count) {
		// ...
	}

	public void multiMove(int steps) {
		// ...
	}

	public void turnAround() {
		// ...
	}
}