Cell.java

/**
 * {@link Cell} instances represent the cells of <i>The Game of Life</i>.
 */

public class Cell {
    private boolean isAlive;
    private String color = "Black";

    public Cell(){
        this.isAlive = false;
    }

    public void setColor(String hisColor) { color = hisColor; }

    public String getColor() { return color; }

    /**
     * Determines whether this {@link Cell} is alive or not.
     *
     * @return {@code true} if this {@link Cell} is alive and {@code false} otherwise
     */

    public boolean isAlive() {
        return this.isAlive;
    }


    /**
     * Determines whether this {@link Cell} is dead or not.
     *
     * @return {@code true} if this {@link Cell} is dead and {@code false} otherwise
     */

    public boolean isDead() {
        return !this.isAlive;
    }

    /**
     * Sets the state of this {@link Cell} to alive.
     *
     * @param cellState the new state of this {@link Cell}
     */

    public void setAlive() {
        this.isAlive = true;
    }

    /**
     * Sets the state of this {@link Cell} to dead.
     *
     * @param cellState the new state of this {@link Cell}
     */

    public void setDead() {
        this.isAlive = false;
    }


    /**
     * Change the state of this {@link Cell} from ALIVE to DEAD or from DEAD to ALIVE.
     */

    public void toggleState() {
        if(this.isAlive)
            this.isAlive = false;
        else
            this.isAlive = true;
    }

    public boolean isAliveInNextState(int numberOfAliveNeighbours) {
        if(isAlive()){
            if (numberOfAliveNeighbours == 2 ||  numberOfAliveNeighbours == 3)
                return true;
            else
                return false;
        }
        else{
            if (numberOfAliveNeighbours == 3)
                return true;
            else
                return false;
        }
    }
}