Jenkins is an open source tool that supports continuous integration practices. It allows for merging code into a shared mainline multiple times per day, running automated tests, and detecting issues early. Some key benefits of using Jenkins include improved quality, faster bug detection and resolution, and increased development efficiency through leveraging automation.

1. The New Era
Yes, CI improves quality
I will start with a 2 liner snippet around Continuous Integration.
CI is a blessing for testers as it offers variety of benefits. As an organization, if you're not using Continuous Integration, my word of advice
is “Just give it a try”.
In this blog, I would like to explain why Continuous Integration and Jenkins are the ideal fit for any agile driven process oriented organization.
CI is the practice of merging all developer workspaces several times a day with a shared mainline
CI servers constantly monitor source code repositories
Avoids or detects compatibility issues early
Keeps workspace continually integrated with other developers
Reduces less bugs – run a strong test suite against the code
Integrates code with mainline, compiles and runs automated tests
Deploys working piece of code at any point of time in the system
Helps the developer to get early feedback on their code
Reduces fixed cost: If a defect is introduced into the system, it can be identified and corrected as early as possible
Continuous Integration using Jenkins –
It’s a 100% win-win situation
Large teams working on same code base
Multiple stages of code deployments
Conflicts between geographically scattered teams
One of the hottest topics today in Application Development and Application Testing in general should be around Continuous Integration. Why
there is so much buzz around this term? Well, there are obvious reasons such as it can a) improve the quality of the application b) isolate and resolve
defects faster c) drastically improve tools, processes, and test suite. Predominantly, there are few challenges that the testing folks can address
quickly with the help of Continuous integration.

2. - Average time spent on the portal increased from 19 sec to 130 sec, because of advanced technologies used in UX
engineering
- 30% of development time was saved using our Solution Accelerators
- The Portal can support almost one million profiles and it is further scalable
- The portal was designed in an eventual consistency model, to accommodate enormous number of acs from end
users
Jenkins – Features and Strengths
Installation
Licensing Cost
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If it is Continuous integration, then the marriage with Jenkins is made in heaven. Jenkins is a java based Continuous Integration tool and
it has its own capabilities, features and strengths
To conclude with, I would like to list down some of the notable benefits you can get as a tester when you are using Jenkins as a
Continuous Integration tool.
Jenkins comes as a war file WAR file and can be started by simply executing
"java-jar jenkins.war". No database, no special installation, no special registration
SCM Tools Supported
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Git, Subversion, TFS, VSS, ClearCase, Accurez, etc.
Open Source
Build Tools Supported
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Ant, Maven, UNIX Shell, Windows batch, etc.
Test Frameworks
Supported
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JUnit, TestNG, NUnit, JSUnit, CppUnit, PHPUnit ,etc.
Console Reporting Allows monitoring the state of each job
Test / Build Matrix Support
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Jenkins helps you run the same set of tests in multiple environments, different
operating systems, different databases or any other axis that makes sense to
your application
Programming Languages
Supported
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Plug-ins Has wide range of plug-ins for end to end Software Management
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Reporting and Monitoring Has wide range of plug-ins for end to end Software Management
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Java, C, Ruby, Perl, PHP, JavaScript etc
Highly configurable system by itself
Wide variety of plugins provide more flexibility
Combination of Jenkins with Ant, Gradle, or other Build Automation tools provides limitless features
Integrate with different Version Control Systems
Direct deployment to production or test environments
Immediate Bug detection by integrating development builds with test automation builds
Push artifact to wide range of repositories

3. - The portal was designed in an eventual consistency model, to accommodate enormous number of activities from end
users
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