LANGUAGE: C++

SUBJECT: OBJECT ORIENTED PROGRAMMING

ANSWER ASAP IN 30 MIN

Q1 a) Explain the difference between the following :Passing value by reference, Passing value by pointers, Passing value by address b) Give two reasons to pass an object by reference. c) Explain Why can't the constant pointer this be used inside a static method d) Explain Why is protected accessibility needed? e) Explain the difference between the keywords struct and class