PMD 5.3.4 发布，此版本主要是 bug 修复：
#1370: ConsecutiveAppendsShouldReuse not detected properly on StringBuffer
#1371: InsufficientStringBufferDeclaration not detected properly on StringBuffer
#1380: InsufficientStringBufferDeclaration false positive when literal string passed to a lookup service
#1384: NullPointerException in ConsecutiveLiteralAppendsRule
#1388: ConstructorCallsOverridableMethodRule doesn't work with params?
#1392: SimplifyStartsWith false-negative
#1393: PMD hanging during DataflowAnomalyAnalysis
#1394: dogfood.xml - Unable to exclude rules [UncommentedEmptyMethod]
#1395: UnusedPrivateMethod false positive for array element method call
#1396: PrematureDeclaration lambda false positive
#1397: StringToString should ignore method references
#1398: False positive for GuardLogStatementJavaUtil with Log4j
#1399: False positive for VariableNamingConventions with annotation @interface
#1400: False positive with JUnit4TestShouldUseBeforeAnnotation
#1401: False positive for StringBuilder.append called with constructor
#1402: Windows-Only: File exclusions are not case insensitive
#1403: False positive UnusedPrivateMethod with JAVA8
#1404: Java8 'Unnecessary use of fully qualified name' in Streams Collector
#1405: UnusedPrivateMethod false positive?
PMD是一款采用BSD协议发布的Java程序代码检查工具。该工具可以做到检查Java代码中是否含有未使用的变量、是否含有空的抓取块、是否含有不必要的对象等。该软件功能强大，扫描效率高，是Java程序员debug的好帮手。
PMD支持的编辑器包括：
JDeveloper、 Eclipse、JEdit、JBuilder、BlueJ、CodeGuide、NetBeans/Sun Java Studio Enterprise/Creator、IntelliJ IDEA、TextPad、Maven、Ant,、Gel、JCreator和Emacs。
下载地址：https://github.com/pmd/pmd/releases/download/pmd_releases%2F5.3.4/pmd-bin-5.3.4.zip
来自:开源中国社区
