Class ObjectUtil

Method Details

• never

  public static boolean never()

  Since:

  3.6

• equals

  public static boolean equals(Object o1, Object o2)

• hashCode

  public static int hashCode(Object o)

• hashCode

  public static int hashCode(int... values)

  A collision-free hash code for small sets (<=4) of small, positive integers (<=128)

  Since:

  3.2

• hashCode

  public static int hashCode(long num)

• appendtoArray

  public static <T> T[] appendtoArray(T[] array, T... elements)

• isEmpty

  public static <T> boolean isEmpty(T[] array)

  Since:

  3.1

• isEmpty

  public static <T extends Map<?, ?>> boolean isEmpty(Map<?,?> map)

  Since:

  3.1

• isEmpty

  public static <T extends Collection<?>> boolean isEmpty(Collection<?> collection)

  Since:

  3.1

• isEmpty

  public static boolean isEmpty(String string)

  Since:

  3.1

• size

  public static <T> int size(T[] array)

  Since:

  3.26

• size

  public static <T extends Map<?, ?>> int size(Map<?,?> map)

  Since:

  3.26

• size

  public static <T extends Collection<?>> int size(Collection<?> collection)

  Since:

  3.26

• size

  public static int size(String string)

  Since:

  3.26

• close

  public static Exception close(Object object)

  Since:

  3.3

• notNull

  public static <T> T notNull(T object)

  Since:

  3.3

• ifNotNull

  public static <T> T ifNotNull(T object, Consumer<T> consumer)

  Since:

  3.29

• requireNonNullElse

  public static <T> T requireNonNullElse(T obj, T defaultObj)

  Since:

  3.28

• requireNonNullElseGet

  public static <T> T requireNonNullElseGet(T obj, Supplier<? extends T> supplier)

  Since:

  3.28

• tryCast

  public static <T> T tryCast(Object object, Class<T> type)

  Attempts to cast an object as an instance of the given type.

  Parameters:

  object - an object to cast to some type

  type - the type to cast the object to

  Returns:

  the object or null if it is not of the required type

  Since:

  3.4

• tryCast

  public static <T, EX extends Throwable> T tryCast(Object object, Class<T> type, Supplier<EX> onFail) throws EX

  Attempts to cast an object as an instance of the given type. If the object is not of the required type, the given onFail action is executed.

  Throws:

  EX

  Since:

  3.29

• forEachSafe

  public static <T> void forEachSafe(Iterable<T> iterable, Consumer<T> consumer)

  Since:

  3.13

• forEachSafe

  public static <T> void forEachSafe(T[] array, Consumer<T> consumer)

  Since:

  3.13