Pergunta de entrevista da empresa CMS Info Systems
what is string and string builder what is ref and out what is abstract class and interface
Resposta da entrevista
Sigiloso
22 de nov. de 2017
abstarct class is class which is diclared with abstract keyword . abstract method dont have a method body . we can use a abstract method as well as non abstract method in abstract class interface- interface is similer to the abstract class but the diffrence is this the interface is 100% abstrac class and we cant use a no abstract method in the interface class . we can do mutiple inharitence in interface but not in abstract class...