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关于eclipse3.2运行helloworld出错

热度:89   发布时间:2016-04-23 14:18:36.0
求助:关于eclipse3.2运行helloworld出错
public class HelloWorld{
  public static void main(String[] args) {
  System.out.println("Hello World !");
  }
}

出错提示:

Usage: javaw [-options] class [args...]
  (to execute a class)
  or javaw [-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

怎样解决这个问题

------解决方案--------------------
java 虚拟机没有装好!
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