and now, i've tried all that.
got his error:
Exception in
thread "main" java.lang.NoClassDefFoundError: MemoryMonitor/java
Caused by: java.lang.ClassNotFoundException: MemoryMonitor.java
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
Could not find the main class: MemoryMonitor.java. Program will exit.
what else i missed out.