/*
   UnnecessaryNullCheckWithInstanceOf
   
   */
   
   package com.puppycrawl.tools.checkstyle.checks.coding.unnecessarynullcheckwithinstanceof;
   
   public class InputUnnecessaryNullCheckWithInstanceOfAnonymousClass {
       public void basicAnonymousClass(final Object obj) {
          Runnable r = new Runnable() {
              @Override
              public void run() {
                  // violation below, 'Unnecessary nullity check'
                  if (obj != null && obj instanceof String) {
                      String str = (String) obj;
                  }
              }
          };
      }
      interface Validator {
          boolean validate(Object obj);
      }
      public void anonymousClassImplementation() {
          Validator v = new Validator() {
              @Override
              public boolean validate(Object obj) {
                  // violation below, 'Unnecessary nullity check'
                  return obj != null && obj instanceof String;
              }
          };
      }
  }