Some people say that when you start to learn Java, you embark on a path of no return, in the Java world, all-encompassing, from the J2SE,J2ME,J2EE three platforms, to the 13 core technology in the Java EE, and then to the world's most colorful framework ... Wait, you will find yourself always learning, but there is always something that you do not know.
When you see the Code project Lib under a variety of jar files, you can all know what they are doing, why import into the project?
From Google you can search a lot of information about larger frameworks such as struts,spring,hibernate,ibatis, but few people pay attention to small toolkits, but when you really know what these packages are for, you'll find that it can save you a lot of time. , can be very convenient to achieve your needs. Of course, without these packages, you can also achieve your needs, but you need time.
The current Java Open source code is a variety of, of course, is not the same level, the correct use of it can help you save time, but before using it must know what it can do, what can not do, because many people easily use an open source code, after a period of time found that it can not meet their needs in certain places, and have to re-select other open source code.
Here to provide you with some of the class library testing, we hope to be useful:
- Java Unit Test message test-greenmail details
- Code coverage for Java unit tests-jacoco details
- Kuromoji details of the Java Japanese word breaker
- Java mathematical expression calculation (expression Evaluator) details
- Java detection of useless code ucdetector details
- Java Embedded NoSQL database Berkeley DB Java Edition Getting Started details
- Java Compression decompression Zip zip4j Getting started details
- Java Job Scheduler Quartz Getting Started details
- Supercsv details of Java Read and write CSV
- nekohtml details of Java parsing HTML
- HttpClient details of Java network communication
- Fastutil details of the Java Collection framework
- Java Tools class Apache Commons lang and beanutils details
- Joda-time details of Java date calculation
- Thumbnailator details of Java generated thumbnails
- Java template engine Freemarker Hyper-entry details
- Ant Hyper-entry details for Java build tools
- Java Operations PDF Itext QuickStart Details
- Java read and write Excel's POI Hyper-entry details
There are a lot of common libraries that we should know and know about, such as:
- Java Programmer Common Tool class library. PDF (234.5 KB)
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Java Programmer Common Tool class Library
