classpath
.;C:\Program Files\Java\jdk1.5.0_07\lib\dt.jar;C:\Program Files\Java\jdk1.5.0_07\lib\tools.jar;
类放在D:\com
package com;public class test { /**
* @param args
*/
public static void main(String[] args) {
System.out.print("aaaaaaaa"); }}
C:\Documents and Settings\new>javac d:\com\test.java
//编译成功
C:\Documents and Settings\new>java d:\com\test
Exception in thread "main" java.lang.NoClassDefFoundError: d:\com\test
//没找到类错误
C:\Documents and Settings\new>java d:/com.test
Exception in thread "main" java.lang.NoClassDefFoundError: d:/com/testC:\Documents and Settings\new>java d:\com.test
Exception in thread "main" java.lang.NoClassDefFoundError: d:\com/test
.;C:\Program Files\Java\jdk1.5.0_07\lib\dt.jar;C:\Program Files\Java\jdk1.5.0_07\lib\tools.jar;
类放在D:\com
package com;public class test { /**
* @param args
*/
public static void main(String[] args) {
System.out.print("aaaaaaaa"); }}
C:\Documents and Settings\new>javac d:\com\test.java
//编译成功
C:\Documents and Settings\new>java d:\com\test
Exception in thread "main" java.lang.NoClassDefFoundError: d:\com\test
//没找到类错误
C:\Documents and Settings\new>java d:/com.test
Exception in thread "main" java.lang.NoClassDefFoundError: d:/com/testC:\Documents and Settings\new>java d:\com.test
Exception in thread "main" java.lang.NoClassDefFoundError: d:\com/test
重新做一下
C:\Documents and Settings\new>d:
D:\>cd com
D:\com>javac -d . test.java
D:\com>java com.test
D:\com>javac -d . test.javaC:\Documents and Settings\new>java -classpath d:\com com.test
D:\compackage com;
C:\Documents and Settings\new>javac -d d:\com test.javaC:\Documents and Settings\new>java -classpath d:\com com.test