我在用javac helloworld.java 看看这是怎么回事?
helloworld.java:1:class helloworld is public,should be declared in a file name helloworld.java
public class helloworld
^
1 error
源程序:
public class HelloWorld
{
public static void main(String args[ ])
{
System.out.println("Hello World");
}
}