如果我的JDK是装在D:\j2sdk1.4.2_06\处的,但是我的Welcome.class 放到了e:\java\下面
应该怎么运行呀?
D:\j2sdk1.4.2_06\bin\java e:\java\Welcome.class 这样运行 不可以,为什么呀?下面是这个类的内容
public class Welcome
{
public static void main(String args[])
{
System.out.println("Welcome to java Programming!");
}
}
应该怎么运行呀?
D:\j2sdk1.4.2_06\bin\java e:\java\Welcome.class 这样运行 不可以,为什么呀?下面是这个类的内容
public class Welcome
{
public static void main(String args[])
{
System.out.println("Welcome to java Programming!");
}
}
D:\j2sdk1.4.2_06在path 中加入%JAVA_HOME\bin;java e:\java\Welcome
set path=D:\j2sdk1.4.2_06\bin\;
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
如果没成功则重新设置 环境变量2,在e:\java\目录运行 java Welcome
在提示符下输入:set path=D:\j2sdk1.4.2_06\bin
这样就可以在任何目录下编译java文件了
@.@||~
JAVA_home
classpath
path
class文件的后缀不要打