Jenkins is an open source automation tool that is written in JAVA programming language which allows continuous integration. Jenkins build our code and tests it continuously --> Generally developers will do some changes in source code and commit them. So Jenkins builds and tests on our software projects continuously. So Jenkins trigger a build and run any tests if required. If there are any errors, then it will show you them in early stages. --> Jenkins allow us to deliver our software continuously by integrating with large number of testing activities. --> Jenkins supports CI(Continuous Integration) with the help of plugins because plugins are allowed to integrate in various DevOps stages History: Kohsuke Kawaguchi is a JAVA developer working in SUN microsystems. He is tired of building the code and fixing the errors repetetively. So he has created an automation server in 2004 called HUDSON In 2011, there is a dispute with Oracle owner. So t...
Programming Language - Introduction A programming language is a set of symbols, grammars and rules with the help of which one is able to translate algorithms to programs that will be executed by the computer. The programmer communicates with a machine using programming languages. Most of the programs have a highly structured set of rules. The primary classifications of programming languages are: Machine Languages. Assembly Languages. High level Languages. Machine Language - Machine language is a collection of binary digits or bits that the computer reads and interprets. Machine language is the only language a computer is capable of understanding. Machine level language is a language that supports the machine side of the programming or does not provide human side of the programming. It consists of (binary) zeros and ones. Each instruction in a program is represented by a numeric code, and numerical addresses are used throughout the program to refer to memory locations i...