Java-17 Questions

Learn how to install OpenJDK on macOS and manage multiple JDK versions easily using SDKMAN or Homebrew.

Learn how to resolve the invalid source release 17 error in IntelliJ for your Java 17 project with this detailed guide.

Learn about the suitable Docker images for OpenJDK Java 17 when upgrading from Java 11 including size considerations and Alpine options.

Learn about sealed classes in Java 17 their usage and how they enhance code maintainability and safety.

Learn how to fix IllegalAccessError related to sun.nio.ch.DirectBuffer when using Apache Spark 3.3.0 with Java 17. Solutions and troubleshooting tips included.

Learn techniques to avoid using addopens in Java 17 while ensuring proper module access and security. Optimize your Java application effectively.

Explore the performance issues with parallelStream in Java 17 compared to Java 16 including causes solutions and code examples.

Learn how to fix circular dependency issues when upgrading Spring Boot to version 2.6.0. Discover stepbystep solutions and common mistakes.

Learn how to troubleshoot jenv issues when it cant find Java 17 installed via Homebrew on macOS. Stepbystep solutions and tips included.

Learn when to use Stream.mapMulti for complex cases and how it differs from flatMap in Java including detailed examples and common mistakes.

Explore why using the Override annotation in Java does not cause a syntax error when there are no methods to override.

Explore why instanceof pattern matching doesnt operate correctly with else if conditions through detailed explanation and code examples.

Learn how to resolve the error Unrecognized VM option MaxPermSize512m when using Java 17 with Maven Wrapper. Stepbystep guide and solutions.

Learn how to fix the error Cannot invoke java.lang.reflect.Method.invoke due to null Injector.defineClass in Java 17 with practical solutions.

Explore the compatibility of Powermock with JDK 17 along with setup tips and common issues to watch out for.

Learn how to manage HTTP2 GOAWAY frames effectively with java.net.HttpClient in Java applications.

Learn how to resolve java.lang.NullPointerException in Gradle 7.2 with Java 17. Find causes solutions and troubleshooting tips.

Explore the criteria and factors that determine the default garbage collector in HotSpot JVM versions 11 and 17.

Learn how to transition from JAXB XJC to Jakarta with Java 17. Stepbystep guide and code snippets included.

Learn how to fix the Unrecognized VM option CMSClassUnloadingEnabled error when upgrading to Java 17 with this detailed guide.