Super refer to parent class. It holds the reference id of parent section of child class object. Observe below example. class A { int x=10; } class B extends A { int x=20; } Here you can see that in child object, two separate sections are created namely parent section and child section. …
Creating a new class from existing class is known as inheritance. Inheritance is used to achieve dynamic binding and reusability. The class which is inherited is known as super class or parent class and the class derived from the parent class is known as sub class or child class. Inheritance is implemented using extends keyword. …
A local database is very essential for developing small scale C# applications, because it doesn’t requires a server to store the data. So this article is on how to connect and use C# local database. Well I am pretty sure that most of you would thing, what is a Local Database? A local database is …
C# Local Database – How to Connect and Use Local Database (Sql Server) Read More »
Huffman coding algorithm was invented by David Huffman in 1952. It is an algorithm which works with integer length codes. A Huffman tree represents Huffman codes for the character that might appear in a text file. Unlike to ASCII or Unicode, Huffman code uses different number of bits to encode letters. If the number of occurrence of any character is more, …
In this article we are going to develop our own Hacking Program. This article is on how to make a keylogger in vb.net. First of all lets take a look on what a keylogger is. What is a Keylogger? Keylogger is a program that records every keyboard keys pressed by a computer user. It is mostly …
Autoboxing and Unboxing in Java Before understanding autoboxing and unboxing in java we must know what is wrapper class. So lets take a look on it. Wrapper Class A wrapper class wraps around a primitive data type and gives it an object appearance. This wrapper class object can be used whenever the primitive data type is …
CppDroid is a simple C/C++ IDE for Android platform which is focused on learning programming languages and libraries. I found this IDE while searching on the internet for C4droid alternatives. It can be an awesome alternative of C4droid compiler. By using this app you can easily write and run C/C++ programs on android device. Apart …
Basically point of sale system or POS is a computer system that record financial transactions. The POS System is made using visual basic that handles sales by keeping records of products like item name, buy price, sell price, profit, etc. It generates bill/receipts and make it available to print it. Also Read: Lab Login System Mini …
