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(Class clazz)
Is collection assignable 
return isAssignable(Collection.class, clazz);
booleanisCollection(Class clazz)
is Collection 
for (Class<?> claz : clazz.getInterfaces())
    if (claz == Collection.class)
        return true;
return false;
booleanisCollection(Class clazz)
Judge whether class is collection 
return clazz.isAssignableFrom(List.class) || clazz.isAssignableFrom(Set.class)
        || clazz.isAssignableFrom(Collection.class);
booleanisCollection(Class klass)
is Collection 
return Collection.class.isAssignableFrom(klass);
BooleanisCollection(Class type)
is Collection 
return Collection.class.isAssignableFrom(type);
booleanisCollection(Class clazz)
Check whether a type is a collection (List, Set, ...). 
if (clazz == null) {
    return false;
return Collection.class.isAssignableFrom(clazz);
booleanisCollection(Class fieldClass)
is Collection 
return Collection.class.isAssignableFrom(fieldClass);
booleanisCollection(final Object collection)
Returns true if the collection is implements Collection; false otherwise. 
return collection instanceof Collection;
booleanisCollection(final Object obj)
is Collection 
return isInstanceof(obj, Collection.class);
booleanisCollection(final Object value)
Returns true if the given object is a non-null instance of Collection . 
return isCollection(value, false);