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Correct use of ConcurrentHashMap Monday January 7, 2008 by Derek Young ConcurrentHashMap has been pitched as a simple alternative for HashMap, eliminating the need for a synchronized blocks. I had some simple event counting code that created count records on the fly. Although I could have used synchronized blocks for safety I used ConcurrentHashMap for this situation, partly for efficiency but mo
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Launch4j is a cross-platform tool for wrapping Java applications distributed as jars in lightweight Windows native executables. The executable can be configured to search for a certain JRE version or use a bundled one, and it's possible to set runtime options, like the initial/max heap size. The wrapper also provides better user experience through an application icon, a native pre-JRE splash scree
WARNING: These older versions of the JRE and JDK are provided to help developers debug issues in older systems. They are not updated with the latest security patches and are not recommended for use in production. For production use Oracle recommends downloading the latest JDK and JRE versions and allowing auto-update. Only developers and enterprise administrators should download these releases. Do
JavaScript is a web programming language that helps web developers to make static web pages more dynamic for a better user experience. In recent years, JavaScript frameworks are on their high that provides a road map for building client applications. These frameworks have become popular in web development because they provide a better user experience with code separation systems. When designing a
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