{"id":264559,"date":"2026-07-15T02:14:41","date_gmt":"2026-07-14T23:14:41","guid":{"rendered":"https:\/\/1kitap1.com\/en\/java-25-and-beyond-modern-java-made-easy-michael-inden\/"},"modified":"2026-07-15T02:14:41","modified_gmt":"2026-07-14T23:14:41","slug":"java-25-and-beyond-modern-java-made-easy-michael-inden","status":"publish","type":"post","link":"https:\/\/1kitap1.com\/en\/java-25-and-beyond-modern-java-made-easy-michael-inden\/","title":{"rendered":"Java 25 And Beyond Modern Java Made Easy – Michael Inden"},"content":{"rendered":"
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The following example returns the index for the term SECRET depending on the specified range of the message: 5.6 Deprecations 5.6.1 JEP 421: Deprecate Finalization for Removal Originally, finalization was planned to serve as a safety net, enabling cleanup or resource release when an object dies. To this end, it is intended that during garbage collection, the respective finalizer is called in the form of a protected method named finalize() before the object\u2019s memory is released.<\/p>\n

However, there are various hurdles and difficulties associated with finalization. For example, it is not defined when the call occurs exactly or whether it happens at all (possibly some time after the object is no longer referenced or possibly not at all if finalization is disabled). It is also possible that the object is returned to an active state with the help of the finalizer and is revived. As part of JEP 421, the finalization process is marked as deprecated and for removal (forRemoval=true).<\/p>\n

In addition, all finalize() methods are deprecated. Furthermore, finalization remains active by default, but can now also be deactivated to facilitate the transition. The background to this JEP is explained in detail by Nicolai Parlog online at https:\/\/\u200bwww.\u200byoutube.\u200bcom\/\u200bwatch?\u200bv=\u200beDgBnjOid-g. 5.6.2 Further Deprecations In the Runtime Class In the Runtime class, various overloaded exec() methods were deprecated in Java 18, as was the runFinalization() method. In the Thread Class Various methods are deprecated in the java.lang.Thread class.<\/p>\n

One example is the stop() method, which has not only been deprecated since JDK 21 LTS, but is also marked as forRemoval=true. In the Locale Class In Java 19, the constructors of the java.util.Locale class were marked as deprecated. Alternatively, the static factory methods can be used: Locale.of(language), Locale.of(language, country) Locale.of(language, country, variant) In addition, there is the Locale.Builder class for creating Locale instances: I prefer the factory methods to the builder variant, which I consider to be strangely implemented. In this case, I expect with() methods or methods such as language() in accordance with the design pattern of the same name, but not set() methods.<\/p>\n

In the URL Class The constructors of the java.net.URL class are deprecated as of Java 20. Instead, they should be replaced by those of the java.net.URI class, as follows: The original URL constructors provided points of attack, which led to security issues. Using URI to create a URL allows for more precise validation and parsing of URL components. Footnotes Method handles are constructs used to locate and invoke methods with minimal overhead. Source: https:\/\/\u200bbelief-driven-design.\u200bcom\/\u200blooking-at-java-21-virtual-threads-bd181\/\u200b. In Java, there are different states for threads.<\/p>\n

The following are relevant here: RUNNABLE (ready for execution), with a substate RUNNING (currently executing). BLOCKED means that the thread is waiting for a monitor lock to (re)enter a synchronized block or a synchronized method.<\/p>\n

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\u00a9 Michael Inden 2026 This work is subject to copyright. All rights are solely and exclusively licensed by the Publisher, whether the whole or part of the material is concerned, specifically the rights of reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed.<\/p>\n

The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication.<\/p>\n

Neither the publisher nor the authors or the editors give a warranty, expressed or implied, with respect to the material contained herein or for any errors or omissions that may have been made. The publisher remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. This Apress imprint is published by the registered company APress Media, LLC, part of Springer Nature.<\/p>\n

The registered company address is: 1 New York Plaza, New York, NY 10004, U.S.A. OceanofPDF.com Dedicated to my little princess, my sunshine, and my beloved daughter, Sophie. I am endlessly grateful that you are here. OceanofPDF.com Preface First of all, I would like to thank you for choosing this book. Inside, you will find a wealth of information about the new features in the current Java version, 25 LTS (Long-Term Support), as well as all the significant features introduced in its predecessors, Java 21 LTS and Java 17 LTS.<\/p>\n

Additionally, an outlook on Java 26 is included, highlighting refinements and new features that offer a glimpse of the platform\u2019s ongoing evolution. Target Audience This book is not intended for novice programmers, but rather for readers who already have a solid familiarity with Java and are seeking concise information on the most important new features in Java versions 12 through 25 LTS, as well as an impression of what is coming in Java 26.<\/p>\n

This book is specifically aimed at the following target groups: 1. On the one hand, these are dedicated hobby programmers and computer science students, but also young professionals who are proficient in Java and are interested in the new features in the current Java versions. 2.<\/p>\n<\/blockquote>\n

This is a short excerpt from the opening of “” by Unknown, quoted for review and introduction purposes. All rights belong to the copyright holders.<\/em><\/p>\n

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