billchang
发贴: 12
积分: 0
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于 2005-10-11 20:23
首先谢谢bluecrystal,但我将path设为JRE目录下的bin文件夹C:\j2sdk1.4.2_02\jre\bin。在bin中有java.exe但无法运行.class文件,会抛出异常: Exception in thread "main" java.lang.UnsupportedClassVersionError: IOStreamDemo (Unsupported major.minor version 49.0) at java.lang.ClassLoader.defineClass0(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:537) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:12 3) at java.net.URLClassLoader.defineClass(URLClassLoader.java:251) at java.net.URLClassLoader.access$100(URLClassLoader.java:55) at java.net.URLClassLoader$1.run(URLClassLoader.java:194) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:187) at java.lang.ClassLoader.loadClass(ClassLoader.java:289) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274) at java.lang.ClassLoader.loadClass(ClassLoader.java:235) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302) 而我再将path设为jdk下的bin,则正常运行,这是为什么?
天行键,君子以自强不息!地势坤,君子以厚德载物!
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