how comparable interface return int value, if an interface having only method declaration
int result_int = s1.compareTo(s2);
The result_int will be -ve value, It means .compareTo method says s1 is lesser than s2.
My question is=> if .compareTo method is from Comparable interface,then an interface method how should have body?? if compareTo method doesn't have body, How it will return integer value while passing two objects.