Класс Cat⁠⁠

//paste_bin.com/vnGyPqDL

import com.google.auto.value.AutoValue;

@AutoValue

public abstract class Cat {

//Default cat

public static Cat fluffy() {

   return create("Fluffy", 5, 0xffffff, 0.2, 0.4);

}

public static Cat create(String name, double weight, int color, double height, double length) {

   return new AutoValue_Cat(name, weight, color, height, length);

}

public abstract String name();

public abstract double weight();

public abstract int colorRGB();

public abstract double height();

public abstract double length();

public double strength() {

   return height() * length();

}

}