用java命令也不行,提示C:\Documents and Settings\Administrator\jbproject\DataExpress1\classes\dataexpre
ss1>java application1
Exception in thread "main" java.lang.NoClassDefFoundError: application1 (wrong n
ame: dataexpress1/Application1)
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)
ss1>java application1
Exception in thread "main" java.lang.NoClassDefFoundError: application1 (wrong n
ame: dataexpress1/Application1)
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)
java dataexpress1.Application1
C:\Documents and Settings\Administrator\jbproject\DataExpress1\classes\dataexpre
ss1>java dataexpress1.Application1
Exception in thread "main" java.lang.NoClassDefFoundError: dataexpress1/Applicat
ion1
C:\Documents and Settings\Administrator\jbproject\DataExpress1\classes>java data
express1.Application1
Exception in thread "main" java.lang.NoClassDefFoundError: com/borland/dx/datase
t/DataSet
at dataexpress1.Application1.<init>(Application1.java:20)
at dataexpress1.Application1.main(Application1.java:49)
“java.lang.NoClassDefFoundError: com/borland/dx/datase
t/DataSet"只是找不到相关jar,java -classpath 相关jar