程序运行出错？

[cht19790826]

class returnDemo {
int i;
void guess(int j) {
i=j;
System.out.println("it will be executed");
if(i>4) return;
System.out.println("it won't be executed");

}
}
class Return {
public static void main(String args[]) {
returnDemo test=new returnDemo();
test.guess(5);
}
}
错误提示
D:\code>java Return.java
Exception in thread "main" java.lang.NoClassDefFoundError: Return/java
该怎么修改才能运行呢？

[茫茫大海]

D:\code>java Return.java楼主是编译的吧，编译是：
D:\code>javac Return.java

[Acesidonu]

编译是javac Return.java
运行是java Return

[yinhuWXF]

你肯定是编译命令用错了！
编译是javac Return.java
运行是java Return