Microsoft windows 2000 [Version 5.00.2195] (C) 版權(quán)所有 1985-1998 Microsoft Corp. C:>javac HelloWorld.java C:>java HelloWorld Exception in thread "main" java.lang.NoClassDefFoundError: HelloWorld
C:>
以上為出錯(cuò)信息,源程序如下:
class HelloWorld { public static void main(String[] args) { // Display "Hello World!" System.out.} }
譯通過(guò) 運(yùn)行怎么就Exception in thread "main" java.lang.NoClassDefFoundError: HelloWorld???????/
注解:classpath用于指明所有用于引用的類所在的目錄,它答應(yīng)用戶把自己的類放在不同的目錄中,但應(yīng)該讓JDK編譯工具知道它們?cè)谀抢铩@纾?br /> set classpath=.;C:jdk13lib ools.jar;C:jdk13libdt.jar;C:jdk13in;
Exception in thread "main" java.lang.NoClassDefFoundError: Hello (wrong hello/Hello) at java.lang.ClassLoader.defineClass0(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:486) at java.security.SecureClassLoader.defineClass(SecureClassLoader. 1) at java.net.URLClassLoader.defineClass(URLClassLoader.java:248) at java.net.URLClassLoader.access0(URLClassLoader.java:56) at java.net.URLClassLoader.run(URLClassLoader.java:195) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:297) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:286) at java.lang.ClassLoader.loadClass(ClassLoader.java:253) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313)