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Apache Maven is a software project management and comprehension tool. Based on the concept of a project object model (POM), Maven can manage a project's build, reporting and documentation from a central piece of information.           Download the zip file from maven and extract the file.           http://redrockdigimark.com/apachemirror/maven/maven-3/3.3.9/binaries/apache-maven-3.3.9-bin.zip        Add JAVA_HOME, M2_HOME, MAVEN_HOME variables to windows environment variables.         Add maven to path variable using    %M2_HOME%\bin then, run    mvn –version  on command prompt. it will show details Apache Maven 3.2.2 ( 45f7c06d68e745d05611f7fd14efb6594181933e ; 2014-06-17T21:51:42+08:00 ) Maven home: C:\Program Files\Apache\maven Java version: 1.7.0_65, vendor: Oracle Corporation Java home: C:\Program Files\Java\jdk1.7.0_65\jre Default locale: en_US, platform encoding: Cp1252 OS name: "windows 8.1" , version: "6.3" , arch: "amd64

Bitcoin is a cryptocurrency and worldwide payment system. It is the first decentralized digital currency, as the system works without a central bank or single administrator. How to buy bitcoin 1. Download  a    b itcoin wallet 2.Sign up for a bitcoin wallet 3.Use regular money to buy bitcoins(by using credit cards, bank cards) How to use bitcoin 1. Learn about bitcoin         https://bitcoin.org/en/you-need-to-know 2. Choose a bitcoin wallet 3.Buy bitcoin      https://bitcoin.org/en/buy 4. Spent bitcoin       There is a growing number of services and merchants accepting Bitcoin all over the              world. You can use Bitcoin to pay them and rate your experience to help honest                    businesses to gain more visibility.

JavaScript, often abbreviated as JS, is a high-level, interpreted programming language. It is a language which is also characterized as dynamic, weakly typed, prototype-based and multi-paradigm. Variables No need to give data types to the variables. result: Function a set of statements that performs a task or calculates a value. To use a  function , you must define it somewhere in the scope from which you wish to call it.  result