Error: A JNI error has occurred, please check your installation and try again 线程 "main" 中发生异常java.lang.UnsupportedClassVersionError: JVMCFRE003 主要版本错误；类=HELLO，偏移量=6 

 public class HELLO{   public static void main(String[ ] args){       System.out.println("welcome to the word!");   } }