我正在玩反射，我想我会做一些东西来加载一个类并打印类中所有字段的名称。我制作了一个小型的helloworld类来检查一些东西:kent@rat:~/eclipsews/SmallExample/bin$lsIndependentClass.classkent@rat:~/eclipsews/SmallExample/bin$javaIndependentClassHello!Goodbye!kent@rat:~/eclipsews/SmallExample/bin$pwd/home/kent/eclipsews/SmallExample/binkent@rat:~/eclipsews/

我已经尝试了Oracle的JavaTutorials中的两个示例。.它们都编译得很好，但是在运行时，都出现了这个错误:Exceptioninthread"main"java.lang.NoClassDefFoundError:graphics/shapes/SquareatMain.main(Main.java:7)Causedby:java.lang.ClassNotFoundException:graphics.shapes.Squareatjava.net.URLClassLoader$1.run(URLClassLoader.java:366)atjava.net.URLCla

我已经尝试了Oracle的JavaTutorials中的两个示例。.它们都编译得很好，但是在运行时，都出现了这个错误:Exceptioninthread"main"java.lang.NoClassDefFoundError:graphics/shapes/SquareatMain.main(Main.java:7)Causedby:java.lang.ClassNotFoundException:graphics.shapes.Squareatjava.net.URLClassLoader$1.run(URLClassLoader.java:366)atjava.net.URLCla

1.如果在没有jdk12的conda下安装snpeff，会报错Error:AJNIerrorhasoccurred,pleasecheckyourinstallationandtryagainExceptioninthread"main"java.lang.UnsupportedClassVersionError:org/snpeff/SnpEffhasbeencompiledbyamorerecentversionoftheJavaRuntime(classfileversion55.0),thisversionoftheJavaRuntimeonlyrecognizesclassfilev

1.如果在没有jdk12的conda下安装snpeff，会报错Error:AJNIerrorhasoccurred,pleasecheckyourinstallationandtryagainExceptioninthread"main"java.lang.UnsupportedClassVersionError:org/snpeff/SnpEffhasbeencompiledbyamorerecentversionoftheJavaRuntime(classfileversion55.0),thisversionoftheJavaRuntimeonlyrecognizesclassfilev