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20 Helpful Open Source Libraries For Java Programmers

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By Author: infocampus
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Here is my collection of a number of the helpful third-party libraries Java developers will use in their application to try and do a lot of helpful tasks. So as to use these libraries, Java developer ought to even be conversant in that and this can be the full purpose of this text. If you've got a concept then you'll analysis this library and use it.
1. Work libraries
Logging libraries are quite common because you wish them in each project. The most vital thing for server-side application as a result of logs is solely placed wherever you'll see what's going on your application.
Even supposing JDK ships with its own work library, there are many higher alternatives are accessible e.g. Log4j, SLF4j, and LogBack.
2. JSON parsing libraries
In today's world of net services and web of things (IoT), JSON has become the go-to protocol to hold info from consumer to server. They need replaced the XML because the most well-liked thanks to transfer info in a very platform-independent means. Sadly JDK does not have a JSON library however luckily, there are several smart third-party libraries that permit you to each analyse and build JSON messages e.g. Jackson and Gson.
3. Unit testing libraries
Unit testing is that the single most vital issue that separates a mean developer from a decent developer. Programmers usually are given excuses for not writing unit tests however the foremost common excuse for avoiding unit testing is lack of expertise and database of popular unit testing library e.g. JUnit, Mockito, and PowerMock.
4. General purpose libraries
There is a handful of very good general purpose, third-party library accessible to Java developer e.g. Apache Commons and Google Guava like using tried and tested libraries rather than writing our own routines each now and so.
5. Http libraries
Create http association victimization categories in java.net package it isn't as simple and seamless as by victimization open supply, third-party libraries like Java Training in Marathahalli Apache Http Client and Http Core.
6. XML parsing libraries
There are several XML parsing libraries exists e.g. Xerces, JAXB, JAXP, Dom4j, Xstream etc. Xerces2 is that the next generation of high performance, totally compliant XML parsers within the Apache Xerces family. This refashion of Xerces introduces the Xerces Native Interface (XNI), an entire framework for building computer programme elements and configurations that's very standard and simple to program.
7. Surpass reading libraries
Believe it or not however all real-world application should interact with Microsoft workplace in some kind or alternative. Several application has to give practicality to export knowledge in surpass and if you have to try and do same from your Java application then you wish Apache dish API.
8. Bytecode libraries
If you're writing framework or libraries that generate code or act with bytecodes then you wish a bytecode library. They permit you to browse and modify bytecode generated by an application. A number of the favoured bytecode libraries in Java world are javassist and Cglib Nodep.
9. Database connection pool libraries
If you're interacting with the database from Java application however not victimization database connection pool libraries then you're missing one thing. Since making connections at runtime takes time and makes request process slower, it’s continually suggested to use db connection libraries. a number of the favoured ones are Commons Pool and DBCP.
10. Messaging libraries
Similar to logging and database connection, electronic communication is also a common feature of the many real-world Java application. Java provides JMS, Java messaging Service however that is not a part of JDK and you wish to include separate jms.jar.
11. PDF Libraries
Similar to Microsoft surpass and World, PDF is another present format. If you wish to support PDF practicality in your application e.g. exportation knowledge in PDF files then you'll use the iText and Apache man libraries.
12. Date and Time libraries
From JDK 8, there's no reason to use Joda as a result of you get all that practicality within the JDK 8's new Date and Time API itself however if you're operating in older Java version then JodaTime may be a value learning library.
13. Collection libraries
Even though JDK has a wealthy assortment libraries, there are some third party libraries which provide additional choices e.g. Apache Commons Collections, anarchist Sachs collections, Google Collections, and Trove. The treasure library is especially helpful as a result of it provides high speed regular and primitive collections for Java.
14. Email APIs
The javax.mail and Apache Commons Email - give an API for causation an email. It’s built on top of the JavaMail API that it aims to change.
15. Html Parsing libraries
Similar to JSON and XML, HMTL is another common format several folks need to alter. Thankfully, we have jsoup that greatly change operating with html in Java application. You’ll use JSoup to not solely analyse html however conjointly to create Java Training in Marathahalli html documents
16. Cryptographic library
The Apache Commons Codec package contains easy encoder and decoders for varied formats like Base64 and hexadecimal. Additionally to those wide used encoders and decoders, the codec package conjointly maintains a group of phonetic cryptography utilities.
17. Embedded SQL database library
Testing your SQL scripts and running Unit tests which require a database. Btw, H2 isn't the only db; you also have Apache derby and HSQL to choose from.
18. JDBC troubleshooting libraries
There are some smart JDBC Extension libraries exists that makes debugging easier e.g. P6spy. It’s a library that permits database knowledge to be seamlessly intercepted and logged with no code changes to the application. You’ll use these to log SQL queries and their timings.
19. Serialization libraries
Google Protocol Buffer Protocol Buffers are how of encoding structured knowledge in an economical however protractible format.
20. Networking libraries
Some of the helpful networking libraries are Netty and Apache mynah. If you're writing an application wherever you wish to try and do low-level networking task, consider using these libraries.
Conclusion
That's all about a number of the helpful libraries each Java developer ought to be conversant in. Java scheme is extremely vast and you will find a lot of libraries for doing various things. You think that concerning something and you may find there's a library exists to do simply that.

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We offer innovative and customized Java Training in Bangalore. Best Java course in Bangalore with Certified Experts. Go to free demo classes, get prepared by 8yrs experienced tutors and furthermore get hands on live project. Visit: http://infocampus.co.in/java-training-bangalore.html

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