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Fixing Java UnsupportedClassVersionError
baeldung.com/java-lang-unsupportedclassversionYapay zekadan makale özeti
- Error Description
- Error occurs when class compiled with higher Java version than run with lower version
- Major and minor version numbers stored in class bytecode at bytes 6 and 7
- Command Line Solutions
- Run application with newer Java version using JAVA_HOME environment variable
- Compile code for older Java version using -bootclasspath or -release options
- JDK 9+ supports –release option for targets 6-11
- IDE Configuration
- Eclipse allows changing project's JRE through Project properties
- IntelliJ IDEA enables adding additional JDKs and configuring JRE
- Maven supports Java version control through compiler plugin settings
- Best Practices
- Run application with newer Java version for third-party libraries
- Compile for lower Java version for distribution
- JDK version choice depends on project requirements