为什么出现这个情况,我的CLASS里面除了下面这些什么也没有,Exception in thread "main" java.lang.NoClassDefFoundError: helloworld/c 你的文件名要为helloworld,注意大小写! 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 你是用 java helloworld.class 命令运行的吧,不用加.class后缀,直接用,这样:java helloworld 没有用java helloworld.class就是用java helloworld有谁救救我啊 这位大侠说得有理,我的环境如下,是否能看出问题来,多谢BASH=/bin/bashBASH_VERSINFO=([0]="2" [1]="04" [2]="11" [3]="1" [4]="release" [5]="i386-redhat-linux-gnu")BASH_VERSION='2.04.11(1)-release'CLASSPATH=/oracle/app/oracle/product/8.1.7/jlib:/oracle/app/oracle/product/8.1.7/jre:/oracle/jdbc/lib/classes12.zip:/usr/local/jdk1.3.1_06/lib:/usr/local/jdk1.3.1_06/jre/libCOLORS=/etc/DIR_COLORSCOLUMNS=80DIRSTACK=()EUID=500GROUPS=()HISTFILE=/oracle/.bash_historyHISTFILESIZE=1000HISTSIZE=1000HOME=/oracleHOSTNAME=jfzxHOSTTYPE=i386IFS=''INPUTRC=/etc/inputrcJAVA_HOME=/usr/local/jdk1.3.1_06JRE_HOME=/usr/local/jdk1.3.1_06/jreKDEDIR=/usrLANG=en_USLD_LIBRARY_PATH=/oracle/app/oracle/product/8.1.7/lib:/lib:/usr/libLESSOPEN='|/usr/bin/lesspipe.sh %s'LINES=25LOGNAME=oracleLS_COLORS=MACHTYPE=i386-redhat-linux-gnuMAIL=/var/spool/mail/oracleMAILCHECK=60MANPATH=/usr/share/man:/usr/local/manNLS_LANG=american_america.zhs16cgb231280OLDPWD=/usr/local/jakarta-tomcat/webapps/examplesOPTERR=1OPTIND=1ORACLE_BASE=/oracle/app/oracleORACLE_HOME=/oracle/app/oracle/product/8.1.7ORACLE_SID=jfzxORA_NLS33=/oracle/app/oracle/product/8.1.7/lib:/oracle/app/oracle/product/8.1.7/network/lib:/libOSTYPE=linux-gnuPATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/oracle/app/oracle/product/8.1.7/bin:/usr/local/sbin:/usr/bin/X11:/usr/X11R6/bin:/oracle/app/oracle/product/8.1.7/lib:/oracle/bin:/usr/local/jakarta-tomcat/bin:/usr/local/jdk1.3.1_06/bin:/usr/local/jdk1.3.1_06/jre/binPIPESTATUS=([0]="1")PPID=9641PS1='[\u@\h \W]\$ 'PS2='> 'PS4='+ 'PWD=/tmpQTDIR=/usr/lib/qt-2.2.0REMOTEHOST=134.168.6.186SHELL=/bin/bashSHELLOPTS=braceexpand:hashall:histexpand:monitor:history:interactive-comments:emacsSHLVL=1TEMP=/tmpTERM=ansiTMPDIR=/tmpTOMCAT_HOME=/usr/local/jakarta-tomcatUID=500USER=oracle_=helloworldkdepath=/usr/binlangfile=/oracle/.i18nsourced=1mc=(){ mkdir -p ~/.mc/tmp 2>/dev/null; chmod 700 ~/.mc/tmp; MC=~/.mc/tmp/mc-$$; /usr/bin/mc -P "$@" >"$MC"; cd "`cat $MC`"; /bin/rm "$MC"; unset MC} 你在哪里运行的?到HELLOWORLD.CLASS的同一目录下试. classpath中加上.路径(当前路径) 楼上这位仁兄解决了我的问题,但这个当前路经,为什么要加,我的CLASS遍布各个目录,我不能经常来加环境变量啊,救救我吧 实时显示数据 类的属性值出了问题? Hibernate中两个父子关系表的版本控制的问题 本人急需要解决网站客户端证书的问题..请高手指点... 为什么我的tomcat执行不了jsp,打开是源代码?? 高手请进,apache + tomcat 整合未成功 问大家几个问题 数据库操作问题(源代码)在线! 高分求Jboss3.4.4官方文档!!!! 关于办公网文档excel、ppt转化pdf问题求教 构建JSP运行环境中的疑问! 关于tomcat的问题
就是用java helloworld有谁救救我啊
BASH=/bin/bash
BASH_VERSINFO=([0]="2" [1]="04" [2]="11" [3]="1" [4]="release" [5]="i386-redhat-
linux-gnu")
BASH_VERSION='2.04.11(1)-release'
CLASSPATH=/oracle/app/oracle/product/8.1.7/jlib:/oracle/app/oracle/product/8.1.7
/jre:/oracle/jdbc/lib/classes12.zip:/usr/local/jdk1.3.1_06/lib:/usr/local/jdk1.3
.1_06/jre/lib
COLORS=/etc/DIR_COLORS
COLUMNS=80
DIRSTACK=()
EUID=500
GROUPS=()
HISTFILE=/oracle/.bash_history
HISTFILESIZE=1000
HISTSIZE=1000
HOME=/oracle
HOSTNAME=jfzx
HOSTTYPE=i386
IFS='
'
INPUTRC=/etc/inputrc
JAVA_HOME=/usr/local/jdk1.3.1_06
JRE_HOME=/usr/local/jdk1.3.1_06/jre
KDEDIR=/usr
LANG=en_US
LD_LIBRARY_PATH=/oracle/app/oracle/product/8.1.7/lib:/lib:/usr/lib
LESSOPEN='|/usr/bin/lesspipe.sh %s'
LINES=25
LOGNAME=oracle
LS_COLORS=
MACHTYPE=i386-redhat-linux-gnu
MAIL=/var/spool/mail/oracle
MAILCHECK=60
MANPATH=/usr/share/man:/usr/local/man
NLS_LANG=american_america.zhs16cgb231280
OLDPWD=/usr/local/jakarta-tomcat/webapps/examples
OPTERR=1
OPTIND=1
ORACLE_BASE=/oracle/app/oracle
ORACLE_HOME=/oracle/app/oracle/product/8.1.7
ORACLE_SID=jfzx
ORA_NLS33=/oracle/app/oracle/product/8.1.7/lib:/oracle/app/oracle/product/8.1.7/
network/lib:/lib
OSTYPE=linux-gnu
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/oracle/app/oracle/product/8.1
.7/bin:/usr/local/sbin:/usr/bin/X11:/usr/X11R6/bin:/oracle/app/oracle/product/8.
1.7/lib:/oracle/bin:/usr/local/jakarta-tomcat/bin:/usr/local/jdk1.3.1_06/bin:/us
r/local/jdk1.3.1_06/jre/bin
PIPESTATUS=([0]="1")
PPID=9641
PS1='[\u@\h \W]\$ '
PS2='> '
PS4='+ '
PWD=/tmp
QTDIR=/usr/lib/qt-2.2.0
REMOTEHOST=134.168.6.186
SHELL=/bin/bash
SHELLOPTS=braceexpand:hashall:histexpand:monitor:history:interactive-comments:em
acs
SHLVL=1
TEMP=/tmp
TERM=ansi
TMPDIR=/tmp
TOMCAT_HOME=/usr/local/jakarta-tomcat
UID=500
USER=oracle
_=helloworld
kdepath=/usr/bin
langfile=/oracle/.i18n
sourced=1
mc=()
{
mkdir -p ~/.mc/tmp 2>/dev/null;
chmod 700 ~/.mc/tmp;
MC=~/.mc/tmp/mc-$$;
/usr/bin/mc -P "$@" >"$MC";
cd "`cat $MC`";
/bin/rm "$MC";
unset MC
}
到HELLOWORLD.CLASS的同一目录下试.