Tutorial by Topics: h

Default Method introduced in Java 8, allows developers to add new methods to an interface without breaking the existing implementations of this interface. It provides flexibility to allow the interface to define an implementation which will be used as default when a class which implements that inter...

SharedPreferences provide a way to save data to disk in the form of key-value pairs. Context Method public SharedPreferences getSharedPreferences(String name, int mode) Activity Method public SharedPreferences getPreferences() SharedPreferences Methods public SharedPre...

Concurrent computing is a form of computing in which several computations are executed concurrently instead of sequentially. Java language is designed to support concurrent programming through the usage of threads. Objects and resources can be accessed by multiple threads; each thread can potentiall...

The Executor interface in Java provides a way of decoupling task submission from the mechanics of how each task will be run, including details of thread use, scheduling, etc. An Executor is normally used instead of explicitly creating threads. With Executors, developers won't have to significantly r...

This documentation page is for showing details with example about java class constructors and about Object Class Methods which are automatically inherited from the superclass Object of any newly created class. public final native Class<?> getClass() public final native void notify() pu...

Using HttpUrlConnection on Android requires that you add the Internet permission to your app (in the AndroidManifest.xml). There are also other Java HTTP clients and libraries, such as Square's OkHttp, which are easier to use, and may offer better performance or more features.

Nashorn is a JavaScript engine developed in Java by Oracle, and has been released with Java 8. Nashorn allows embedding Javascript in Java applications via JSR-223 and allows to develop standalone Javascript applications, and it provides better runtime performance and better compliance with the ECMA...

RMI requires 3 components: client, server and a shared remote interface. The shared remote interface defines the client-server contract by specifying the methods a server must implement. The interface must be visible to the server so that it can implement the methods; the interface must be visible...

SQL is Structured Query Language used to manage data in a relational database system. Different vendors have improved upon the language and have variety of flavors for the language. NB: This tag refers explicitly to the ISO/ANSI SQL standard; not to any specific implementation of that standard. ...

JavaScript (not to be confused with Java) is a dynamic, weakly-typed language used for client-side as well as server-side scripting. JavaScript is a case-sensitive language. This means the language considers capital letters to be different from their lowercase counterparts. Keywords in JavaScri...

PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used open source programming language. It is especially suited for web development. The unique thing about PHP is that it serves both beginners as well as experienced developers. It has a low barrier to entry so it is easy to ge...

Notes 1- You do not need an Apple Developer Account to start developing iOS Apps. The documentation and tools are free to download with your Apple ID. You can also sign and install apps on your personal devices using that same Apple ID. If you want to distribute or sell apps on the App Store,...

Python is a widely used programming language. It is: High-level: Python automates low-level operations such as memory management. It leaves the programmer with a bit less control but has many benefits including code readability and minimal code expressions. General-purpose: Python is b...

Ruby is a multi-platform open-source, dynamic object-oriented interpreted language, designed to be simplistic and productive. It was created by Yukihiro Matsumoto (Matz) in 1995. According to its creator, Ruby was influenced by Perl, Smalltalk, Eiffel, Ada, and Lisp. It supports multiple progra...

List comprehensions in Python are concise, syntactic constructs. They can be utilized to generate lists from other lists by applying functions to each element in the list. The following section explains and demonstrates the use of these expressions. [x + 1 for x in (1, 2, 3)] # list comprehen...

Go is an open-source, compiled, statically typed language in the tradition of Algol and C. It boasts features such as garbage collection, limited structural typing, memory safety features, and easy-to-use CSP-style concurrent programming. The latest major version release is in bold below. Full...

VersionRelease Date1.01983-01-012.02007-10-27Modern2014-03-10

Django advertises itself as "the web framework for perfectionists with deadlines" and "Django makes it easier to build better Web apps more quickly and with less code". It can be seen as an MVC architecture. At it's core it has: a lightweight and standalone web server for de...

Swift is an application and systems programming language developed by Apple and distributed as open source. Swift interoperates with Objective-C and Cocoa/Cocoa touch APIs for Apple's macOS, iOS, tvOS, and watchOS operating systems. Swift currently supports macOS and Linux. Community efforts are...

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