Can enum be null?
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write string class as your own class in java without using any built-in function
suppose A is a base class and B is the derved class. Both have a method foo which is defined as a virtual method in the base class. You have a pointer of classs B and you typecast it to A. Now when you call pointer->foo, which method gets called? The next part of the question is, how does the compiler know which method to call?
What is abstraction example?
What is cohesion in oop?
What is the difference between class and object?
Program to print 0 to 9 in cross order
Write a program to compute for numeric grades for a course. The course records are in a file that will serve as the input file. The input file is in exactly the following format: Each line contains a student's first name, then one space, then ten quiz scores all on one line. The quiz scores are in whole number and are separated by one space. Your program will take it input from this file and sends it output to a second file. The data in the output file will be exactly the same as the data in the input file except that there will be one additional number (of type double) at the end of each line. This number will be the average of the student's ten quiz scores. Use at least one function that has file streams as all or some of its arguments.
What is inheritance in oop?
Write a program to multiply 3x3 matrics
Why do we use encapsulation in oops?
write a program to find 2 power of a 5digit number with out using big int and exponent ?
Whats oop mean?