GROUP BY
A group by clause is used to create groups based on the similar records. It first sort records on the group by column and then creates different groups. It creates a separateRead More…
All posts by DreamMaker
Instance Variable Hiding
this Keyword this is a pointer that points to the current object this keyword is used when a method need to refer to the object that invoked it. this can be usedRead More…
UPDATE
UPDATE Command: This command is used to update or modify record of the database table. To update any specific record we must use WHERE clause. Using update command without WHERE clause willRead More…
05Jul/16
What is Android?
We all are familiar with the word “Android” today but majority of us who are not familiar with technology or are not from technical background thinks that android means “Smartphone” or oneRead More…
Method Overloading and Overriding
Method Overloading Method overloading is a mechanism through which we can define multiple methods with the same name within the same class Methods share similar name but number of arguments and dataRead More…
Structure in C++
Structure in C++: Structure is a user-defined data type. The format of the structure is known as template and we can create multiple structure variables from template. Difference between C Structure andRead More…
Structure of C++ program
The general structure of C++ program can be shown in following diagram. In C++ program, first section is the include section It contains pre-processor statements to include various header (library) files. AfterRead More…
Introduction to C++
C++ is an object-oriented programming language developed by Bjarne Stroustrup at AT & T Bell Laboratories in New Jersey, USA, in 1980. It is developed from Simula67 and C programming language. TheRead More…
Features of OOP
Data abstraction: Abstraction refers to give the general view. We represent thing without going into the background details. Class contains abstract data members such as size, weight, height and function to operateRead More…
Object-Oriented Programming Language (OOP)
In object-oriented programming we divide program into multiple object. “An Object is a thing in real world which has certain properties and method.” It may be any place, person, bank account, billRead More…