The Java command cannot find the main class in command line mode

In command line mode:

C:\Documents and Settings\hui.qian>d:

d:\>cd D:\java\serializable

D:\java\serializable>javac Test.java

D:\java\serializable>java Test
Error: Main class test could not be found or loaded

d:\java\serializable>

Java file path:

Java files:

public class Test implements java.io.serializable{public

 static void Main (string[] args) {
  System.out.println ( "HelloWorld");
 }

Environment variables:

In the correct case, or the report can not find the main class, the error is due to your CLASSPATH environment variable configuration problem. To be set to the following values:

Then rerun Java test to be correct

C:\Documents and Settings\hui.qian>d:

d:\>cd D:\java\serializable

D:\java\serializable>javac Test.java

D:\java\serializable>java Test
HelloWorld

d:\java\serializable>