Suppose that Laptop is a class that implements Comparable. Write the header for the method that is required for Laptop to be concrete. Do not write the method body. Refer to the following Java declarations.

From Object.java:

public class Object { public boolean equals(Object obj) { return (this == obj); } protected native Object clone() throws CloneNotSupportedException; // ... other members ... }

From Comparable.java:

public interface Comparable { public int compareTo(T o); }