Java Core Archives - A N M Bazlur Rahman https://bazlur.ca/category/java-core/ Java Champion 🏆 Empowering Developers through Speaking 🗣️ Writing ✍️ Mentoring 🤝 & Community Building 🌍 Published Author 📖 Contributing Editor at InfoQ and Foojay.IO Wed, 30 Oct 2024 15:10:31 +0000 en-US hourly 1 https://wordpress.org/?v=6.7.2 https://i0.wp.com/bazlur.ca/wp-content/uploads/2022/07/cropped-klara-and-sun.jpeg?fit=32%2C32&ssl=1 Java Core Archives - A N M Bazlur Rahman https://bazlur.ca/category/java-core/ 32 32 207159250 Java Tips # 01 –  Writing Shebang Scripts in Pure Java https://bazlur.ca/2024/10/27/java-tips-01-writing-shebang-scripts-in-pure-java/ https://bazlur.ca/2024/10/27/java-tips-01-writing-shebang-scripts-in-pure-java/#respond Sun, 27 Oct 2024 06:15:13 +0000 https://bazlur.ca/?p=113720 Did you know you can write a CLI script in Java just as easily as you would in a bash script, and run it directly from the shell? This is commonly called a shebang script, though we are mostly familiar with writing them in bash. Bash scripts are great, but they can be obscure to ... Read more

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]]> https://bazlur.ca/2024/10/27/java-tips-01-writing-shebang-scripts-in-pure-java/feed/ 0 113720 Accessing Native C Functions from Java Using OpenJDK’s JEP 454: Foreign Function & Memory API https://bazlur.ca/2023/10/16/accessing-native-c-functions-from-java-using-openjdks-jep-454-foreign-function-memory-api/ https://bazlur.ca/2023/10/16/accessing-native-c-functions-from-java-using-openjdks-jep-454-foreign-function-memory-api/#respond Mon, 16 Oct 2023 23:25:28 +0000 https://bazlur.ca/?p=102536 Introduction Java’s robustness and cross-platform capabilities have made it a staple in enterprise applications. However, there are scenarios where Java applications need to interact with native libraries written in languages like C or C++. The Java Native Interface (JNI) has been the traditional solution for such needs, but it comes with its own complexities and ... Read more

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]]> https://bazlur.ca/2023/10/16/accessing-native-c-functions-from-java-using-openjdks-jep-454-foreign-function-memory-api/feed/ 0 102536 What is a semaphore, and when to use it? https://bazlur.ca/2023/10/05/what-is-a-semaphore-and-when-to-use-it/ https://bazlur.ca/2023/10/05/what-is-a-semaphore-and-when-to-use-it/#respond Fri, 06 Oct 2023 01:43:49 +0000 https://bazlur.ca/?p=102477 In Java’s concurrency API, a semaphore is another synchronization tool that simultaneously controls the number of threads accessing a particular resource or section of code. It manages a set of permits; threads must acquire a permit before proceeding. If a permit is available, the thread acquires it and continues execution. If not, the thread is ... Read more

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]]> https://bazlur.ca/2023/10/05/what-is-a-semaphore-and-when-to-use-it/feed/ 0 102477 Web Crawling in Java: A Tale of Classical Threads and Virtual Threads https://bazlur.ca/2023/09/29/web-crawling-in-java-a-tale-of-classical-threads-and-virtual-threads/ https://bazlur.ca/2023/09/29/web-crawling-in-java-a-tale-of-classical-threads-and-virtual-threads/#comments Fri, 29 Sep 2023 12:23:48 +0000 https://foojay.io/?p=102433 A compelling narrative around web crawling in Java, contrasting classical threads with their newer counterpart: virtual threads.

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]]> https://bazlur.ca/2023/09/29/web-crawling-in-java-a-tale-of-classical-threads-and-virtual-threads/feed/ 2 102527 Embracing Modernity: A Comprehensive Look at Sealed Classes, Pattern Matching, and Functional Paradigms in Java https://bazlur.ca/2023/09/11/embracing-modernity-a-comprehensive-look-at-sealed-classes-pattern-matching-and-functional-paradigms-in-java/ https://bazlur.ca/2023/09/11/embracing-modernity-a-comprehensive-look-at-sealed-classes-pattern-matching-and-functional-paradigms-in-java/#respond Mon, 11 Sep 2023 08:42:17 +0000 https://foojay.io/?p=102298 Let's examine the principles and practical applications of Sealed Classes and pattern matching.

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]]> https://bazlur.ca/2023/09/11/embracing-modernity-a-comprehensive-look-at-sealed-classes-pattern-matching-and-functional-paradigms-in-java/feed/ 0 102298 Thread-Safe Counter in Java: A Comprehensive Guide https://bazlur.ca/2023/08/17/thread-safe-counter-in-java-a-comprehensive-guide/ https://bazlur.ca/2023/08/17/thread-safe-counter-in-java-a-comprehensive-guide/#comments Thu, 17 Aug 2023 06:59:29 +0000 https://foojay.io/?p=101912 In this tutorial, we will explore the concept of thread safety in Java, specifically focusing on a simple counter.

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]]> https://bazlur.ca/2023/08/17/thread-safe-counter-in-java-a-comprehensive-guide/feed/ 4 101912 Sealed Interfaces and Pattern Matching: A Quick Dive into Java’s Modern Capabilities https://bazlur.ca/2023/08/09/sealed-interfaces-and-pattern-matching-a-quick-dive-into-javas-modern-capabilities/ https://bazlur.ca/2023/08/09/sealed-interfaces-and-pattern-matching-a-quick-dive-into-javas-modern-capabilities/#comments Wed, 09 Aug 2023 07:01:51 +0000 https://foojay.io/?p=101649 Sealed classes and interfaces, together with pattern matching, provide powerful new tools for more explicit, controlled, and flexible design in Java

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]]> https://bazlur.ca/2023/08/09/sealed-interfaces-and-pattern-matching-a-quick-dive-into-javas-modern-capabilities/feed/ 2 101859 Book Review: “OpenJDK Migration for Dummies” https://bazlur.ca/2023/08/04/book-review-openjdk-migration-for-dummies/ https://bazlur.ca/2023/08/04/book-review-openjdk-migration-for-dummies/#comments Fri, 04 Aug 2023 09:02:46 +0000 https://foojay.io/?p=101820 Not just a technical manual, Simon Ritter's new book is a companion on a journey through the complexities of OpenJDK migration.

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]]> https://bazlur.ca/2023/08/04/book-review-openjdk-migration-for-dummies/feed/ 2 101820 Dive into the OpenJDK: Top 10 Reads on Foojay.io https://bazlur.ca/2023/07/19/dive-into-the-openjdk-top-10-reads-on-foojay-io/ https://bazlur.ca/2023/07/19/dive-into-the-openjdk-top-10-reads-on-foojay-io/#respond Wed, 19 Jul 2023 07:45:04 +0000 https://foojay.io/?p=101054 Foojay.io is a community platform dedicated to the needs of developers who use the OpenJDK and related technologies.

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]]> https://bazlur.ca/2023/07/19/dive-into-the-openjdk-top-10-reads-on-foojay-io/feed/ 0 101054 Exploring Java 21’s Intriguing Additions: Unveiling New Features (Part 1) https://bazlur.ca/2023/06/20/exploring-java-21s-intriguing-additions-unveiling-new-features-part-1/ https://bazlur.ca/2023/06/20/exploring-java-21s-intriguing-additions-unveiling-new-features-part-1/#respond Tue, 20 Jun 2023 13:40:21 +0000 https://foojay.io/?p=98790 Learn about a few notable features that stand out in the upcoming Java 21, in an overview of their functionalities and potential use cases.

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