CatImpl.java

package com.techreturners.cats;

public abstract class CatImpl implements Cat { // implements cat interface
    private boolean sleeping;
    private int height; // doesn't need to match int in LionCat
    private String type;
    private String eatingNoise;

    // constructor
    public CatImpl( String eatingNoise ) {
        this.eatingNoise = eatingNoise;
        this.sleeping = false;
    }

    @Override
    public Boolean isAsleep() {
        return this.sleeping;
    }

    @Override
    public Boolean goToSleep() {
        this.sleeping = true;
            return sleeping;
    }
    @Override
    public void wakeUp(){
        this.sleeping = false;
    }

    public String getSetting (){
        return "";
    }

    public int getAverageHeight(){
        return height;
    }

    public String eat() {
        return eatingNoise;
    }

}