///////////////////////////////////////////////////////////////////////////////////////////////
   // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
   //
   //
   // This library is free software; you can redistribute it and/or
   // modify it under the terms of the GNU Lesser General Public
   // License as published by the Free Software Foundation; either
   // version 2.1 of the License, or (at your option) any later version.
   //
  // This library is distributed in the hope that it will be useful,
  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  // Lesser General Public License for more details.
  //
  // You should have received a copy of the GNU Lesser General Public
  // License along with this library; if not, write to the Free Software
  // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  ///////////////////////////////////////////////////////////////////////////////////////////////
  // violation below ''package' should be separated from previous line.'
  package com.google.checkstyle.test.chapter4formatting.rule461verticalwhitespace;
  import java.util.concurrent.Callable; // violation ''import' should be separated from previous line.'
  class InputVerticalWhitespace { // violation ''CLASS_DEF' should be separated from previous line.'
    public static final double FOO_PI = 3.1415;
    private boolean flag = true;
    static { // violation ''STATIC_INIT' should be separated from previous line.'
      // empty static initializer
    }
  
    {
      // empty instance initializer
    }
  
    /** Some javadoc. */
    private InputVerticalWhitespace() {
      // empty
    }
  
    public int compareTo(InputVerticalWhitespace obj) {
      int number = 0;
      return 0;
    }
    /**
     * Some javadoc.
     *
     * @param task some description.
     * @param result some description.
     * @return some description.
     */
    public static <T> Callable<T> callable(Runnable task, T result) {
      // violation above ''METHOD_DEF' should be separated from previous line.'
      return null;
    }
  
    public int getBeastNumber() {
      return 666;
    }
    interface IntEnum { // violation ''INTERFACE_DEF' should be separated from previous line.'
    }
  
    class InnerClass {
  
      public static final double FOO_PI_INNER = 3.1415;
      private boolean flagInner = true;
      { // violation ''INSTANCE_INIT' should be separated from previous line.'
        // empty instance initializer
      }
  
      private InnerClass() {
        // empty
      }
    }
  
    class InnerClass2 {
      private InnerClass2() {
        // empty
      }
    }
  
    class InnerClass3 {
      public int compareTo(InputVerticalWhitespace obj) {
        int number = 0;
        return 0;
      }
    }
  
    class Clazz {
      private Clazz() {}
    }
    class Class2 { // violation ''CLASS_DEF' should be separated from previous line.'
      public int compareTo(InputVerticalWhitespace obj) {
        int number = 0;
        return 0;
      }
      Class2 anon = // violation ''VARIABLE_DEF' should be separated from previous line.'
              new Class2() {
                public int compareTo(InputVerticalWhitespace obj) {
                  int number = 0;
                  return 0;
                }
             };
   }
 }