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Deep dives into software engineering, tools, and best practices
Learn what immutability really means in Java, how to make objects immutable (the five rules), why Strings work the way they do, and every way to make collections immutable — with tradeoffs.
Understand what hashcodes really are, how HashMap lookups work under the hood, and why the hashCode-equals contract is the foundation of every cache and collection in your application.
Learn how to use ExecutorService and Future in Java to build efficient, concurrent applications. This comprehensive guide covers thread pools, task submission, and asynchronous programming patterns.
Discover how to boost your productivity with Git aliases. Learn how to create custom shortcuts for common Git commands and streamline your development workflow.
Learn how to effectively manage files in Git using .gitignore and global exclude files. Discover the differences between shared and private ignore patterns.
Scoped Values are production-ready, object headers just got smaller, and you can finally write code before super(). Here's why Java 25 is the LTS release you shouldn't skip.
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