Error: A JNI error has occurred, please check your installation and try again Exception in thread "main" java.lang.UnsupportedClassVersionError: Main has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0 이클립스로 웹 프로젝트를 돌리다가 오랜만에 알고리즘 좀 돌리려고 열심히 코드를 짜고 돌리는 순간 에러가 두둥... 장난하시나요? 원인은 자바..