Java Utililty Methods Collection Check

List of utility methods to do Collection Check

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Description

The list of methods to do Collection Check are organized into topic(s).

Method

booleanisCollection(Object ob)
Check if a current object can be cast to collection. 
return ob != null && isClassCollection(ob.getClass());
booleanisCollection(Object obj)
Checks if provided object is java.util.Collection or Object[] . 
return obj instanceof Object[] || obj instanceof Collection;
booleanisCollection(Object obj)
Determines if the given object is any kind of collection 
return (obj != null && java.util.Collection.class.isAssignableFrom(obj.getClass()));
booleanisCollection(Object obj)
is Collection 
if (obj != null && Collection.class.isAssignableFrom(obj.getClass())) {
    return true;
return false;
booleanisCollection(Object object)
Returns true if the given Object is not null and a Collection derived type 
return isAssignableFromInstance(Collection.class, object);
booleanisCollection(Object object)
is Collection 
if (object == null)
    return false;
return object instanceof java.util.Collection<?>;
booleanisCollection(Object value)
Returns true if value is either a collection or an array; false otherwise. 
return value == null ? false : value instanceof Collection<?> || value.getClass().isArray();
booleanisCollection(String type)
is Collection 
return isList(type) || isSet(type);
booleanisCollectional(final Class type)
Indicates whether type represents Collection -typed values. 
return Collection.class.isAssignableFrom(type);
booleanisCollectionOrArray(Class type)
is Collection Or Array 
return isCollection(type) || type.isArray();