VB.Net – Overview 
PL/SQL – Environment Setup 
SQL – RDBMS Concepts C# – Collections
Collection classes are specialized classes for data storage and retrieval. These classes provide support for…
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Android – Broadcast Receivers
Broadcast Receivers simply respond to broadcast messages from other applications or from the system itself….
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C# – Events
Events are user actions such as key press, clicks, mouse movements, etc., or some occurrence…
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C# – Delegates
C# delegates are similar to pointers to functions, in C or C++. A delegate is…
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Android – Services
A service is a component that runs in the background to perform long-running operations without…
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C# – Indexers
An indexer allows an object to be indexed such as an array. When you define…
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C# – Properties
Properties are named members of classes, structures, and interfaces. Member variables or methods in a…
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C# – Reflection
Reflection objects are used for obtaining type information at runtime. The classes that give access…
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Android – Activities
An activity represents a single screen with a user interface just like window or frame…
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Android Resources Organizing & Accessing
There are many more items which you use to build a good Android application. Apart…
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Android – Hello World Example
Let us start actual programming with Android Framework. Before you start writing your first example…
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Android – Application Components
Application components are the essential building blocks of an Android application. These components are loosely…
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C# – Attributes
An attribute is a declarative tag that is used to convey information to runtime about…
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Android – Architecture
Android operating system is a stack of software components which is roughly divided into five…
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Android – Environment Setup
You will be glad to know that you can start your Android application development on…
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Android – Overview
What is Android? Android is an open source and Linux-based Operating System for mobile devices…
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C# – File I/O
A file is a collection of data stored in a disk with a specific name…
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C# – Exception Handling
An exception is a problem that arises during the execution of a program. A C#…
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C# – Regular Expressions
A regular expression is a pattern that could be matched against an input text. The…
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C# – Preprocessor Directives
The preprocessor directives give instruction to the compiler to preprocess the information before actual compilation…
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C# – Namespaces
A namespace is designed for providing a way to keep one set of names separate…
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C# – Interfaces
An interface is defined as a syntactical contract that all the classes inheriting the interface…
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C# – Operator Overloading
You can redefine or overload most of the built-in operators available in C#. Thus a…
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C# – Polymorphism
The word polymorphism means having many forms. In object-oriented programming paradigm, polymorphism is often expressed…
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C# – Inheritance
One of the most important concepts in object-oriented programming is inheritance. Inheritance allows us to…
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C# – Classes
When you define a class, you define a blueprint for a data type. This does…
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C# – Enums
An enumeration is a set of named integer constants. An enumerated type is declared using…
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C# – Structures
In C#, a structure is a value type data type. It helps you to make…
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C# – Strings
In C#, you can use strings as array of characters, However, more common practice is…
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C# – Arrays
An array stores a fixed-size sequential collection of elements of the same type. An array…
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C# – Nullables
C# provides a special data types, the nullable types, to which you can assign normal…
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C# – Methods
A method is a group of statements that together perform a task. Every C# program…
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C# – Encapsulation
Encapsulation is defined ‘as the process of enclosing one or more items within a physical…
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C# – Loops
There may be a situation, when you need to execute a block of code several…
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C# – Decision Making
Decision making structures requires the programmer to specify one or more conditions to be evaluated…
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C# – Operators
An operator is a symbol that tells the compiler to perform specific mathematical or logical…
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C# – Constants and Literals
The constants refer to fixed values that the program may not alter during its execution….
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C# – Variables
A variable is nothing but a name given to a storage area that our programs…
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C# – Type Conversion
Type conversion is converting one type of data to another type. It is also known…
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C# – Data Types
The variables in C#, are categorized into the following types − Value types Reference types…
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C# – Basic Syntax
C# is an object-oriented programming language. In Object-Oriented Programming methodology, a program consists of various…
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C# – Program Structure
Before we study basic building blocks of the C# programming language, let us look at…
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C# – Environment
In this chapter, we will discuss the tools required for creating C# programming. We have…
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Quadratic equation
In algebra, a quadratic equation (from the Latin quadratus for “square“) is any equation that…
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Java – Documentation Comments
The Java language supports three types of comments − Sr.No. Comment & Description 1 /*…
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Java – Applet Basics
An applet is a Java program that runs in a Web browser. An applet can…
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Java – Multithreading
Java is a multi-threaded programming language which means we can develop multi-threaded program using Java….
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Java – Sending Email
To send an e-mail using your Java Application is simple enough but to start with…
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Java – Networking
The term network programming refers to writing programs that execute across multiple devices (computers), in…
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Java – Serialization
Java provides a mechanism, called object serialization where an object can be represented as a…
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