Java开发网 - 出错信息,请高人帮我解释,多谢!!! (NoClassDefFoundError)

Topic: 出错信息,请高人帮我解释,多谢!!! (NoClassDefFoundError)

1.出错信息,请高人帮我解释,多谢!!! (NoClassDefFoundError)

Posted by: gaojihui
Posted on: 2005-03-27 23:10

请尽量用准确的文字描述作为标题 !!

do a search before you post a question
NoClassDefFoundError is a vvvvvvvvery common problem for newbies.

出错信息,请高人帮我解释,
源程序
import java.io.*;
public class myjava
{
public static void main(String args[])
{
System.out.println("hello");
}
}
系统环境变量
classpath C:\j2sdk1.4.2_07\lib\tools.jar;C:\j2sdk1.4.2_07\lib\dt.jar
java_home C:\j2sdk1.4.2_07
path C:\j2sdk1.4.2_07\bin
出错提示

2.Re:出错信息,请高人帮我解释,多谢!!! [Re: gaojihui]	Copy to clipboard
Posted by: Jove Posted on: 2005-03-27 23:11 java -cp . myjava 或 classpath .;C:\j2sdk1.4.2_07\lib\tools.jar;C:\j2sdk1.4.2_07\lib\dt.jar

3.Re:出错信息,请高人帮我解释,多谢!!! [Re: gaojihui]	Copy to clipboard
Posted by: 孤独王子 Posted on: 2005-03-27 23:32 现在的初学者怎么都这么不细心？？？？？

4.Re:出错信息,请高人帮我解释,多谢!!! (NoClassDefFoundError) [Re: gaojihui]	Copy to clipboard
Posted by: xiadf Posted on: 2005-04-02 18:17 你的java没有编译成class文件,java命令运行的文件是class文件要用以下命令： javac myjava.java java myjava.class

5.Re:出错信息,请高人帮我解释,多谢!!! (NoClassDefFoundError) [Re: gaojihui]	Copy to clipboard
Posted by: java开发 Posted on: 2005-04-03 18:37 得先用JAVAC编译再用JAVA运行。