雨临Lewis的博客Java是向下兼容的,每一个jdk版本都有对应的class版本号(major + minor version numbers);如果用低版本的jvm去加载高版本jdk编译的类,就会报错:java.lang.UnsupportedClassVersionError 源码中关于这个...
weixin_39875629的博客Brief question: If I use relatively "minor" Java 7 language features previously unavailable in Java 6, such as the try-muticatch block... does this imply that my program won't run in machines with JRE...