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老师，第一次就运行报错，前面安装的是JDK17，后面的eclipse是2021版的，怎么办呢

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用户7689563076

#1 Created at ... [Delete] [Delete and Lock User]

错误: 加载主类 Hello 时出现 LinkageError

java.lang.UnsupportedClassVersionError: Hello (class file version 60.65535) was compiled with preview features that are unsupported. This version of the Java Runtime only recognizes preview features for class file version 61.65535

廖雪峰

#2 Created at ... [Delete] [Delete and Lock User]

https://www.baeldung.com/java-lang-unsupportedclassversion

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