The following issues were found

guava-testlib/src/com/google/common/collect/testing/TestCharacterListGenerator.java
4 issues
Consider using varargs for methods or constructors which take an array the last parameter.
Design

Line: 50 

                 * Creates a new collection containing the given elements; implement this method instead of {@link
   * #create(Object...)}.
   */
  protected abstract List<Character> create(Character[] elements);

  @Override
  public Character[] createArray(int length) {
    return new Character[length];
  }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '38'-'41').
Error

Line: 38 

              
  @Override
  public List<Character> create(Object... elements) {
    Character[] array = new Character[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (Character) e;
    }
    return create(array);

Reported by PMD.

Found 'DU'-anomaly for variable 'i' (lines '39'-'44').
Error

Line: 39 

                @Override
  public List<Character> create(Object... elements) {
    Character[] array = new Character[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (Character) e;
    }
    return create(array);
  }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '41'-'41').
Error

Line: 41 

                  Character[] array = new Character[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (Character) e;
    }
    return create(array);
  }

  /**

Reported by PMD.

guava-testlib/src/com/google/common/collect/testing/TestEnumMapGenerator.java
4 issues
Consider using varargs for methods or constructors which take an array the last parameter.
Design

Line: 57 

                  return create(array);
  }

  protected abstract Map<AnEnum, String> create(Entry<AnEnum, String>[] entries);

  @Override
  @SuppressWarnings("unchecked")
  public final Entry<AnEnum, String>[] createArray(int length) {
    return new Entry[length];

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '47'-'52').
Error

Line: 47 

                @Override
  public final Map<AnEnum, String> create(Object... entries) {
    @SuppressWarnings("unchecked")
    Entry<AnEnum, String>[] array = new Entry[entries.length];
    int i = 0;
    for (Object o : entries) {
      @SuppressWarnings("unchecked")
      Entry<AnEnum, String> e = (Entry<AnEnum, String>) o;
      array[i++] = e;

Reported by PMD.

Found 'DU'-anomaly for variable 'i' (lines '48'-'55').
Error

Line: 48 

                public final Map<AnEnum, String> create(Object... entries) {
    @SuppressWarnings("unchecked")
    Entry<AnEnum, String>[] array = new Entry[entries.length];
    int i = 0;
    for (Object o : entries) {
      @SuppressWarnings("unchecked")
      Entry<AnEnum, String> e = (Entry<AnEnum, String>) o;
      array[i++] = e;
    }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '52'-'52').
Error

Line: 52 

                  for (Object o : entries) {
      @SuppressWarnings("unchecked")
      Entry<AnEnum, String> e = (Entry<AnEnum, String>) o;
      array[i++] = e;
    }
    return create(array);
  }

  protected abstract Map<AnEnum, String> create(Entry<AnEnum, String>[] entries);

Reported by PMD.

guava-testlib/src/com/google/common/collect/testing/TestEnumSetGenerator.java
4 issues
Consider using varargs for methods or constructors which take an array the last parameter.
Design

Line: 47 

                  return create(array);
  }

  protected abstract Set<AnEnum> create(AnEnum[] elements);

  @Override
  public AnEnum[] createArray(int length) {
    return new AnEnum[length];
  }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '39'-'42').
Error

Line: 39 

              
  @Override
  public Set<AnEnum> create(Object... elements) {
    AnEnum[] array = new AnEnum[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (AnEnum) e;
    }
    return create(array);

Reported by PMD.

Found 'DU'-anomaly for variable 'i' (lines '40'-'45').
Error

Line: 40 

                @Override
  public Set<AnEnum> create(Object... elements) {
    AnEnum[] array = new AnEnum[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (AnEnum) e;
    }
    return create(array);
  }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '42'-'42').
Error

Line: 42 

                  AnEnum[] array = new AnEnum[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (AnEnum) e;
    }
    return create(array);
  }

  protected abstract Set<AnEnum> create(AnEnum[] elements);

Reported by PMD.

guava-testlib/src/com/google/common/collect/testing/TestIntegerSetGenerator.java
4 issues
Consider using varargs for methods or constructors which take an array the last parameter.
Design

Line: 46 

                  return create(array);
  }

  protected abstract Set<Integer> create(Integer[] elements);

  @Override
  public Integer[] createArray(int length) {
    return new Integer[length];
  }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '38'-'41').
Error

Line: 38 

              
  @Override
  public Set<Integer> create(Object... elements) {
    Integer[] array = new Integer[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (Integer) e;
    }
    return create(array);

Reported by PMD.

Found 'DU'-anomaly for variable 'i' (lines '39'-'44').
Error

Line: 39 

                @Override
  public Set<Integer> create(Object... elements) {
    Integer[] array = new Integer[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (Integer) e;
    }
    return create(array);
  }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '41'-'41').
Error

Line: 41 

                  Integer[] array = new Integer[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (Integer) e;
    }
    return create(array);
  }

  protected abstract Set<Integer> create(Integer[] elements);

Reported by PMD.

guava-testlib/src/com/google/common/collect/testing/TestStringCollectionGenerator.java
4 issues
Consider using varargs for methods or constructors which take an array the last parameter.
Design

Line: 46 

                  return create(array);
  }

  protected abstract Collection<String> create(String[] elements);

  @Override
  public String[] createArray(int length) {
    return new String[length];
  }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '38'-'41').
Error

Line: 38 

              
  @Override
  public Collection<String> create(Object... elements) {
    String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);

Reported by PMD.

Found 'DU'-anomaly for variable 'i' (lines '39'-'44').
Error

Line: 39 

                @Override
  public Collection<String> create(Object... elements) {
    String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '41'-'41').
Error

Line: 41 

                  String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

  protected abstract Collection<String> create(String[] elements);

Reported by PMD.

guava-testlib/src/com/google/common/collect/testing/TestStringListGenerator.java
4 issues
Consider using varargs for methods or constructors which take an array the last parameter.
Design

Line: 49 

                 * Creates a new collection containing the given elements; implement this method instead of {@link
   * #create(Object...)}.
   */
  protected abstract List<String> create(String[] elements);

  @Override
  public String[] createArray(int length) {
    return new String[length];
  }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '37'-'40').
Error

Line: 37 

              
  @Override
  public List<String> create(Object... elements) {
    String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);

Reported by PMD.

Found 'DU'-anomaly for variable 'i' (lines '38'-'43').
Error

Line: 38 

                @Override
  public List<String> create(Object... elements) {
    String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '40'-'40').
Error

Line: 40 

                  String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

  /**

Reported by PMD.

guava-testlib/src/com/google/common/collect/testing/TestStringMapGenerator.java
4 issues
Consider using varargs for methods or constructors which take an array the last parameter.
Design

Line: 57 

                  return create(array);
  }

  protected abstract Map<String, String> create(Entry<String, String>[] entries);

  @Override
  @SuppressWarnings("unchecked")
  public final Entry<String, String>[] createArray(int length) {
    return new Entry[length];

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '47'-'52').
Error

Line: 47 

                @Override
  public Map<String, String> create(Object... entries) {
    @SuppressWarnings("unchecked")
    Entry<String, String>[] array = new Entry[entries.length];
    int i = 0;
    for (Object o : entries) {
      @SuppressWarnings("unchecked")
      Entry<String, String> e = (Entry<String, String>) o;
      array[i++] = e;

Reported by PMD.

Found 'DU'-anomaly for variable 'i' (lines '48'-'55').
Error

Line: 48 

                public Map<String, String> create(Object... entries) {
    @SuppressWarnings("unchecked")
    Entry<String, String>[] array = new Entry[entries.length];
    int i = 0;
    for (Object o : entries) {
      @SuppressWarnings("unchecked")
      Entry<String, String> e = (Entry<String, String>) o;
      array[i++] = e;
    }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '52'-'52').
Error

Line: 52 

                  for (Object o : entries) {
      @SuppressWarnings("unchecked")
      Entry<String, String> e = (Entry<String, String>) o;
      array[i++] = e;
    }
    return create(array);
  }

  protected abstract Map<String, String> create(Entry<String, String>[] entries);

Reported by PMD.

guava-testlib/src/com/google/common/collect/testing/TestStringQueueGenerator.java
4 issues
Consider using varargs for methods or constructors which take an array the last parameter.
Design

Line: 46 

                  return create(array);
  }

  protected abstract Queue<String> create(String[] elements);

  @Override
  public String[] createArray(int length) {
    return new String[length];
  }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '38'-'41').
Error

Line: 38 

              
  @Override
  public Queue<String> create(Object... elements) {
    String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);

Reported by PMD.

Found 'DU'-anomaly for variable 'i' (lines '39'-'44').
Error

Line: 39 

                @Override
  public Queue<String> create(Object... elements) {
    String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '41'-'41').
Error

Line: 41 

                  String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

  protected abstract Queue<String> create(String[] elements);

Reported by PMD.

guava-testlib/src/com/google/common/collect/testing/TestStringSetGenerator.java
4 issues
Consider using varargs for methods or constructors which take an array the last parameter.
Design

Line: 46 

                  return create(array);
  }

  protected abstract Set<String> create(String[] elements);

  @Override
  public String[] createArray(int length) {
    return new String[length];
  }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '38'-'41').
Error

Line: 38 

              
  @Override
  public Set<String> create(Object... elements) {
    String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);

Reported by PMD.

Found 'DU'-anomaly for variable 'i' (lines '39'-'44').
Error

Line: 39 

                @Override
  public Set<String> create(Object... elements) {
    String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '41'-'41').
Error

Line: 41 

                  String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

  protected abstract Set<String> create(String[] elements);

Reported by PMD.

guava-testlib/src/com/google/common/collect/testing/TestUnhashableCollectionGenerator.java
4 issues
Consider using varargs for methods or constructors which take an array the last parameter.
Design

Line: 51 

                 * Creates a new collection containing the given elements; implement this method instead of {@link
   * #create(Object...)}.
   */
  protected abstract T create(UnhashableObject[] elements);

  @Override
  public UnhashableObject[] createArray(int length) {
    return new UnhashableObject[length];
  }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '39'-'42').
Error

Line: 39 

              
  @Override
  public T create(Object... elements) {
    UnhashableObject[] array = createArray(elements.length);
    int i = 0;
    for (Object e : elements) {
      array[i++] = (UnhashableObject) e;
    }
    return create(array);

Reported by PMD.

Found 'DU'-anomaly for variable 'i' (lines '40'-'45').
Error

Line: 40 

                @Override
  public T create(Object... elements) {
    UnhashableObject[] array = createArray(elements.length);
    int i = 0;
    for (Object e : elements) {
      array[i++] = (UnhashableObject) e;
    }
    return create(array);
  }

Reported by PMD.

Found 'DD'-anomaly for variable 'array' (lines '42'-'42').
Error

Line: 42 

                  UnhashableObject[] array = createArray(elements.length);
    int i = 0;
    for (Object e : elements) {
      array[i++] = (UnhashableObject) e;
    }
    return create(array);
  }

  /**

Reported by PMD.