可以用javac编译,但用java运行时出现找不到主类
已经有设置环境变量.
代码如下:
public class Hello
{
public static void main(String [] args)
{
System.out.println("Hello World !");
}
}
出现的错误如下:
Exception in thread "main" java.lang.NoClassDefFoundError: hello/java
Caused by: java.lang.ClassNotFoundException: hello.java
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
Could not find the main class: hello.java. Program will exit.
小弟刚刚学java请各位大哥大姐不吝赐教