Jimfs
Modern Java - A Guide to Java 8
| Jimfs | Modern Java - A Guide to Java 8 | |
|---|---|---|
| 5 | 3 | |
| 2,503 | 16,764 | |
| 0.2% | 0.0% | |
| 7.9 | 2.7 | |
| 7 days ago | about 2 years ago | |
| Java | Java | |
| Apache License 2.0 | MIT License |
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Jimfs
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How to write unit tests in C++ relying on non-code files?
Java has in-memory file systems that are essentially geared for this exact use case, eg jimfs[0]. You create your filesystem and any files you need when your tests are starting up, and your classes talk to them rather than the “real” ones. Maybe a similar project exists for the C++ ecosystem?
[0] https://github.com/google/jimfs
- An in-memory file system for Java
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Any library you would like to recommend to others as it helps you a lot? For me, mapstruct is one of them. Hopefully I would hear some other nice libraries I never try.
Recently been using JIMFS. Made my tests much faster and cleaner!
- An in memory file system
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Working and unit testing with temporary files in Java
I use Google's JIMFS "Just In Memory Filesystem" https://github.com/google/jimfs in my unit tests and have been very happy. No need to clean something up that disappears as soon as the test is over. Let's you create unix or windows style filesystems and I've used it to test a disk space healthcheck because you can set a limit to the size of the filesystem it creates. Very flexible and easy to use.
Modern Java - A Guide to Java 8
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Top 10 GitHub Repositories for Python and Java Developers
**5. Modern Java - A Guide to Java 8 ** This tutorial covers all the new features of Java 8 with simple code samples, making it a helpful resource for learning and using Java 8. https://github.com/winterbe/java8-tutorial
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Java 20 / JDK 20: General Availability
Here are some resources I've found helpful and have read or are on my backlog to catch up with these developments:
- https://github.com/wesleyegberto/java-new-features (terse, includes links to JEPs, good jumping off point)
- https://github.com/winterbe/java8-tutorial (quick tour through features of Java 8)
- https://winterbe.com/posts/2018/09/24/java-11-tutorial/ (same for Java 11)
Books:
- Java 8 in Action / Modern Java in Action (Raoul-Gabriel Urma, Alan Mycroft, Mario Fusco; 2014 and 2018 respectively)
- The Well-Grounded Java Developer (Martijn Verburg, Benjamin Evans, Jason Clark; 2022) - not specifically focused on new features but does cover them in the context of going deeper into Java and the JVM.
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Coming from .net to java
Otherwise, learning Maven has been really important. As for learning the language, I liked Winterbe's guides. Here's one. https://github.com/winterbe/java8-tutorial
What are some alternatives?
OpenRefine - OpenRefine is a free, open source power tool for working with messy data and improving it
Design Patterns - Design patterns implemented in Java
Lanterna - Java library for creating text-based GUIs
Joda-Money - Java library to represent monetary amounts.
CQEngine - Ultra-fast SQL-like queries on Java collections