Java Utililty Methods Object to Array

List of utility methods to do Object to Array

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Description

The list of methods to do Object to Array are organized into topic(s).

Method

Object[]toArray(Object obj)
to Array 
if (obj == null) {
    return new Object[0];
} else if (obj.getClass().isArray()) {
    return (Object[]) obj;
} else if (obj instanceof Collection) {
    return ((Collection<?>) obj).toArray();
return new Object[] { obj };
...
ListtoArray(Object obj)
to Array 
if (isArray(obj)) {
    return (List<Object>) obj;
throw new IllegalArgumentException(obj + " is not an array.");
Object[]toArray(Object value)
to Array 
if (value == null) {
    return EMPTY_ARRAY;
Object[] values;
if (value.getClass().isArray()) {
    values = (Object[]) value;
} else if (List.class.isInstance(value)) {
    List<Object> list = (List<Object>) value;
...