编译正确,run出错,我最恨了....这种情况大致有几种??

Question

大家再帮我看看这段错误,是编译正确,但run出错,出错信息:
--------------------Configuration: <Default>--------------------
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 imageProcess completed.

Answer 1

此回复为自动发出,仅用于显示而已，并无任何其他特殊作用
楼主【Java_gannbare】截止到2008-07-28 15:52:08的历史汇总数据(不包括此帖)：
发帖的总数量:3                        发帖的总分数:70                       每贴平均分数:23                       
回帖的总数量:2                        得分贴总数量:0                        回帖的得分率:0%                       
结贴的总数量:3                        结贴的总分数:70                       
无满意结贴数:0                        无满意结贴分:0                        
未结的帖子数:0                        未结的总分数:0                        
结贴的百分比:100.00%               结分的百分比:100.00%                  
无满意结贴率:0.00  %               无满意结分率:0.00  %                  
敬礼!

Answer 2

没有加命令行参数,所以提示help.

Answer 3

Process completed.
这个是怎么出来的？

Answer 4

你直接打java 就会出现该提示
该提示是介绍java命令的使用方法

Answer 5

原来是这样，学了一招，呵呵呵
要仔细看看java命令了