Monday, October 13, 2025
5 Best Java 8 Lambda, Stream, and Functional Programming Books for Beginners and Experienced in 2025 [UPDATED]
If you follow Java updates, you may know that Java 13 was released, and Java 14 is on the way, but I often receive emails and queries asking about some good books to learn Java 8. Since Java 8 is very different from any other JDK release, in terms of language and API enhancement, you really need an excellent book to learn fundamentals. In short, based upon my 2 years of learning and reading Java 8 books, I can say that Java SE 8 for Really Impatient is hands down the best book to learn Java 8. It covers all the essential things released in JDK 8, not just lambda expression and streams but also new Date and Time API and several other minor enhancement yet crucial features, which often go unnoticed.
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books
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Java 8
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online resources
Friday, October 10, 2025
Top 10 Best Java 8 Tutorials, Courses, and Books for Beginners
It's been quite some time since Java 8 was released but the Java community is still buzzing with functional programming and lambda expression. Many developers, programmers, and bloggers have already shared lots of really good tutorials to learn lambda expressions, probably the biggest thing in Java world after Generic was introduced in Java 5. While the term "lambda expression" may sound abstract and academic, Java 8 Lambdas can have a big impact on how you program every day. Java 8 has not only introduced Lambda expressions but also Stream API, Functional interfaces, new Date and Time API, and default methods, which has completely changed the way you write your Java code. As a professional Java developer, you will have to learn Java 8 one day, and it's better to do it sooner than later.
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books
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courses
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Java 8
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online resources
Monday, July 14, 2025
How to Filter Stream and Collections in Java 8? Example Tutorial
Java 8 provides excellent features to support the filtering of elements in Java Collections. Prior to Java 8, the only better way to filter elements is by using a foreach loop or iterating over Collection using the Iterator and selecting the required object, leaving out rest. Though that approach work, it was very difficult to run them in parallel and take advantage of multiple CPUs available in modern-day servers. Java 8 provides Streams, which not only makes it easy to run any operation parallel but also supports lazy loading and lazy evaluation, which means as soon as the filtering condition is satisfied, it stooped doing work, doesn't matter how many objects the collection contains.
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