请问这个问题如何解决

[lzj34]

import java.util.*;
public class Property{
public static void main(String args[]){
System.out.println(new Date( ));
Properties p=System.getProperties( );
p.list(System.out);
System.out.println("--- Memory Usage:");
Runtime rt=Runtime.getRuntime( );
System.out.println("Total Memory= "
+ rt.totalMemory( )+" Free Memory = "+rt.freeMemory( ));
}
}
运行错误如下:

WARNING:Default charset GBK not supported,using ISO-8859-1 instead

Exception in thread "main" java.lang.NoClassDefFoundError:Property/class

[myhotsun]

classpath有问题啊

[lzj34]

正确的如何配置

[lzj34]

我的CLASSPATH配置如下
C:\j2sdk1.4.1_07\LIB\dt.JAR;C:\j2sdk1.4.1_07\LIB\TOOLS.JAR;C:\j2sdk1.4.1_07\BIN

[36387893]

C:\j2sdk1.4.1_07\BIN是配置在path里的

[yuzl32]

1、classpath 中: 最前 加入 ".;" // 即:点 + 分号,没有双引号
2、path 中放入: C:\j2sdk1.4.1_07\bin (即你的java 安装目录的bin 文件)

[lzj34]

已经加了，还是这个问题

[believefym]

代码没问题，可能跟你的编译环境、ide有关吧

[SoQuiet_0504]

我怎么运行好好的？奇了！
Microsoft Windows XP [版本 5.1.2600]
(C) 版权所有 1985-2001 Microsoft Corp.


D:\Work\javaex\je3\csdntest>javac Property.java

D:\Work\javaex\je3\csdntest>java Property
Fri Nov 25 20:03:28 CST 2005
-- listing properties --
java.runtime.name=Java(TM) 2 Runtime Environment, Stand...
sun.boot.library.path=D:\Program Files\JBuilder9\jdk1.4\jre...
java.vm.version=1.4.1_02-b06
java.vm.vendor=Sun Microsystems Inc.
java.vendor.url=http://java.sun.com/
path.separator=;
java.vm.name=Java HotSpot(TM) Client VM
file.encoding.pkg=sun.io
user.country=CN
sun.os.patch.level=Service Pack 2
java.vm.specification.name=Java Virtual Machine Specification
user.dir=D:\Work\javaex\je3\csdntest
java.runtime.version=1.4.1_02-b06
java.awt.graphicsenv=sun.awt.Win32GraphicsEnvironment
java.endorsed.dirs=D:\Program Files\JBuilder9\jdk1.4\jre...
os.arch=x86
java.io.tmpdir=C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\
line.separator=

java.vm.specification.vendor=Sun Microsystems Inc.
user.variant=
os.name=Windows XP
sun.java2d.fontpath=
java.library.path=D:\Program Files\JBuilder9\jdk1.4\bin...
java.specification.name=Java Platform API Specification
java.class.version=48.0
java.util.prefs.PreferencesFactory=java.util.prefs.WindowsPreferencesFac...
os.version=5.1
user.home=C:\Documents and Settings\Administrator
user.timezone=Asia/Shanghai
java.awt.printerjob=sun.awt.windows.WPrinterJob
file.encoding=GBK
java.specification.version=1.4
user.name=LiQiang
java.class.path=.
java.vm.specification.version=1.0
sun.arch.data.model=32
java.home=D:\Program Files\JBuilder9\jdk1.4\jre
java.specification.vendor=Sun Microsystems Inc.
user.language=zh
awt.toolkit=sun.awt.windows.WToolkit
java.vm.info=mixed mode
java.version=1.4.1_02
java.ext.dirs=D:\Program Files\JBuilder9\jdk1.4\jre...
sun.boot.class.path=D:\Program Files\JBuilder9\jdk1.4\jre...
java.vendor=Sun Microsystems Inc.
file.separator=\
java.vendor.url.bug=http://java.sun.com/cgi-bin/bugreport...
sun.cpu.endian=little
sun.io.unicode.encoding=UnicodeLittle
sun.cpu.isalist=pentium i486 i386
--- Memory Usage:
Total Memory= 2031616 Free Memory = 1651008

下面是我机器设置
D:\Work\javaex\je3\csdntest>set
ALLUSERSPROFILE=C:\Documents and Settings\All Users
APPDATA=C:\Documents and Settings\Administrator\Application Data
CommonProgramFiles=C:\Program Files\Common Files
COMPUTERNAME=LQ
ComSpec=C:\WINDOWS\system32\cmd.exe
FP_NO_HOST_CHECK=NO
HOMEDRIVE=C:
HOMEPATH=\Documents and Settings\Administrator
LOGONSERVER=\\LQ
NUMBER_OF_PROCESSORS=1
OS=Windows_NT
Path=D:\Program Files\JBuilder9\jdk1.4\bin;C:\WINDOWS\system32;C:\WINDOWS
PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH
PROCESSOR_ARCHITECTURE=x86
PROCESSOR_IDENTIFIER=x86 Family 6 Model 13 Stepping 6, GenuineIntel
PROCESSOR_LEVEL=6
PROCESSOR_REVISION=0d06
ProgramFiles=C:\Program Files
PROMPT=$P$G
SESSIONNAME=Console
SystemDrive=C:
SystemRoot=C:\WINDOWS
TEMP=C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp
TMP=C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp
USERDOMAIN=LQ
USERNAME=LiQiang
USERPROFILE=C:\Documents and Settings\Administrator
windir=C:\WINDOWS

[yuzl32]

你把 cmd 切换到当前目录下去编译和运行它试试.

[apple21]

最前 加入 ".;" // 即:点 + 分号,没有双引号

[lzj34]

问题解决了谢谢大家