随笔分类 -  异常

摘要：1.eclipse运行时，在java编译时出现Exception in thread "main" java.lang.UnsupportedClassVersionError: com/spring/test/Test : Unsupported major.minor version 52.0 阅读全文

摘要：java.util.regex.PatternSyntaxException: Dangling meta character '?' near index 0?^ at java.util.regex.Pattern.error(Pattern.java:1713) at java.util.re 阅读全文