Tutorial by Topics: d

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...

The 8 primitive data types byte, short, int, long, char, boolean, float, and double are the types that store most raw numerical data in Java programs. int aInt = 8; // The defining (number) part of this int declaration is called a literal. int hexInt = 0x1a; // = 26; You can define literals...

Instead of using the javax.sound.sampled Clip, you can also use the AudioClip which is from the applet API. It is however recommended to use Clip since AudioClip is just older and presents limited functionalities.

An Android application needs to run on all kinds of devices. Each device may have a different version on Android running on it. Now, each Android version might not support all the features that your app requires, and so while building an app, you need to keep the minimum and maximum Android version...

Date object = new Date(); Date object = new Date(long date); ParameterExplanationNo parameterCreates a new Date object using the allocation time (to the nearest millisecond)long dateCreates a new Date object with the time set to the number of milliseconds since "the epoch" (Januar...

As of Java 8, Calendar and its subclasses have been superseded by the java.time package and its subpackages. They should be preferred, unless a legacy API requires Calendar.

ParameterDetailsGoogleMapthe GoogleMap is an object that is received on a onMapReady() eventMarkerOptionsMarkerOptions is the builder class of a Marker, and is used to add one marker to a map. Requirements Google Play Services SDK installed. A Google Console Account. A Google Maps API Key o...

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...

The java.util.Iterator is the standard Java SE interface for object that implement the Iterator design pattern. The java.lang.Iterable interface is for objects that can provide an iterator. It is possible to iterate over an array using the for-each loop, though java arrays do not implement Iterab...

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...

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...