Tools

Question 1

Jenkins

Answer 1

• is a continuous integration tool used to build (compile, test) code and deploy it to production
• it is a server-based system that runs in servlet containers such as Apache Tomcat
• it supports version control tools like SVN, Git to automate the build

Question 2

version control

Answer 2

• a tool which helps developer or teams to track (communicate and manage) all the changes to source code
• A separate branch is created for every contributor
• if an error occurred or something bad happen or a mistake is made, can be turned back to the earlier version daily

Question 3

branch

Answer 3

• copy of main code base
• currently most common pattern for the name of the branch is feature branches.
• in feature branch developer develop individual features - when the feature is ready to deploy, the branch is merged into the main stream

Question 4

SVN

Answer 4

• subversion
• a centralized version control system which allow to keep track of text-based document
• it means that there is one central repository which is used by all developers or teams
• developers have to made changes into their local working copy. After changes are made, it is committed back to the repository

Question 5

GIT

Answer 5

• Global Information Tracker

- a distributed version control system

Question 6

Git vs. SVN Server Architecture

Answer 6

Git:

• act as a client and a server
• every developer has a local copy of the full version history of the project on their individual machine
• the developer doesn’t have to be connected all the time

SVN:

• a separate server and client
• only the files a developer is working on are kept on the local machine
• the developer must be online, working with the server
• users check out files and commit changes back to the server

Question 7

Git vs. SVN Branching

Answer 7

Git:
- Git branches are only references to a certain commit

SVN:

• SVN branches are created as directories inside a repository
• when the branch is ready, you commit back to the trunk

Question 8

Git vs. SVN Access Controls

Answer 8

• by default, Git assumes that all the contributors have the same permissions
• SVN allows you to specify read and write access controls per file level and per directory level

Question 9

Repository

Answer 9

• it can be thought of as a database of changes

- it contains all the edits and historical versions (snapshots) of the project

Question 10

CI Tools

Answer 10

Jenkins, Travis CI, Apache Gump, Buildbot, Bamboo

Question 11

Hibernate

Answer 11

• an ORM framework that simplifies the development of Java application to interact with the database
• it converts database-specific queries automatically, based on dialect provided.
• it uses HQL (Hibernate Query Language), which is independent of Database