-   
- E:\>java 
- Usage: java [-options] class [args...] 
-            (to execute a class) 
-    or  java [-options] -jar jarfile [args...] 
-            (to execute a jar file) 
-   
- where options include: 
-     -client       to select the "client" VM 
-     -server       to select the "server" VM 
-     -hotspot      is a synonym for the "client" VM  [deprecated] 
-                   The default VM is client. 
-     -cp <class search path of directories and zip/jar files> 
-     -classpath <class search path of directories and zip/jar files> 
-                   A; separated list of directories, JAR archives, 
-                   and ZIP archives to search for class files. 
-     -D<name>=<value> 
-                   set a system property 
-     -verbose[:class|gc|jni] 
-                   enable verbose output 
-     -version      print product version and exit 
-     -version:<value> 
-                   require the specified version to run 
-     -showversion  print product version and continue 
-     -jre-restrict-search | -jre-no-restrict-search 
-                   include/exclude user private JREs in the version search 
-     -? -help      print this help message 
-     -X            print help on non-standard options 
-     -ea[:<packagename>...|:<classname>] 
-     -enableassertions[:<packagename>...|:<classname>] 
-                   enable assertions 
-     -da[:<packagename>...|:<classname>] 
-     -disableassertions[:<packagename>...|:<classname>] 
-                   disable assertions 
-     -esa | -enablesystemassertions 
-                   enable system assertions 
-     -dsa | -disablesystemassertions 
-                   disable system assertions 
-     -agentlib:<libname>[=<options>] 
-                   load native agent library <libname>, e.g. -agentlib:hprof 
-                     see also, -agentlib:jdwp=help and -agentlib:hprof=help 
-     -agentpath:<pathname>[=<options>] 
-                   load native agent library by full pathname 
-     -javaagent:<jarpath>[=<options>] 
-                   load Java programming language agent, see java.lang.instrument 
-     -splash:<imagepath> 
-                   show splash screen with specified image 
-   
-