新手请教
Exception in thread"main" java.lang.NoClassDefFoundError:com/sun/tools/javac/Main
Caused by:java.lang.ClassNotFoundException:com.sun.tools.javac.Main
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
Could not find the main class:com.sun.tools.javac.Main. Programwill exit.
新安装的JDK运行不了程序,运行java -version,java,javac,都很好 。求解