problem about checkstyle-Collection of common programming errors

• 
  Denim
  java eclipse checkstyle
  I have installed CheckStyle plugin in Eclipse. I am using Eclipse Helios (Version 3.6).Eclipse and CheckStyle details are as followingEclipse ::Version : Helios (3.6)CheckStyle ::Version : 5.6.1.201306282206ID : net.sf.eclipsecs.feature.groupI am able to configure rules successfully from – Project > Properties > CheckStyle.But, when I’m trying to configure from – Window > Preferences > CheckStyle, it is firing an error like following: An error has occurred. See error log for more details. INSTA
• 
  tenshi
  java checkstyle
  In my current project we always insert empty new line at the end of the java source files (it was enforced by project lead). We also enforce this with checkstyle (with error level).I was searching for this topic for a long time, but unfortunately I can’t find any convincing reason for this. Seems that other developers are pretty indifferent about this because they just checked one checkbox in eclipse formatter and it’s done automatically. But I still feel myself not very happy about this (becaus
• 
  skaffman
  java final checkstyle
  I am using eclipse checkstyle plugin. I have few methods in a class A which are overriden in class B. I have the following warning for most of the methodsThe function SearchAndReplace is not conceived to be inherited – it must be declared abstract or final or leave it empty.Is there a any advantages to declaring a method as final? EDITI know what the keyword final is for. I know it prevents overriding of methods, is there other advantages, like performance or anything like that?

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