org.eclipse.net4j.util
Class ObjectUtil

java.lang.Object
  org.eclipse.net4j.util.ObjectUtil

public final class ObjectUtil

extends Object

Various static helper methods.

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

close

public static Exception close(Object object)

Since:

3.3

notNull

public static <T> T notNull(T object)

Since:

3.3