![]() ![]() ![]() Use the -Xlint:unchecked option for javac to get theĭetails on the use of JDK internal API and other warnings. Compiling with Java 8Ĭompiling with JDK 8 may require updates to build scripts, tools, test frameworks,Īnd included libraries. If possible, work on getting the application to run with java If you have to fix an issue in the code, then make the fix, but continue to compile You can resolve most of the problems you may come across without having to recompile code. This approach gets anĪpplication to run on Java 8 more quickly by focusing on the minimum work that needs ![]() See what warnings and errors come out of the execution. Is to run on Java 8 without recompiling the code. Most applications should run on Java 8 without modification. Most of these incompatibilities are edge cases, and you should investigate when you see a warning or experience an error. Incompatibilities in the JDK implementation. The migration guide covers all of the incompatibilities in the Java specification and The canonical guide to follow is the Oracle JDK Migration Guide. Java 8 or 11 depending on your workload requirements. ![]() To minimize risk and potential security vulnerabilities, upgrade your applications to Java 7 End of Life (EOL)Ĭommunity support will end when Java 7 reaches End Of Life on 29 July 2022.Īny applications running on Java 7 will continue to run, but Java 7 itself won't receive updates or security patches. This approach will get your application up and running as quickly as possible.įor a library, your goal will be to publish an artifact that's compiled and tested with JDK 8. In general, the best approach is to try to run on Java 8 without recompiling first. Include a handful of changed APIs, tightening of type inference in javac, changes to class loaders,Īnd changes to permgen (part of garbage collection). Moving from Java 7 to Java 8 is typically a small amount of work. There's no one-size-fits-all solution to transition code from Java 7 to Java 8. The usage of Java 8 features isn't covered. This article provides high-level guidance on migrating your application from Java 7 to Java 8. ![]()
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