Class Collection<E>

Type Parameters

E

Index

Constructors

Methods

contains isEmpty iterator size

Constructors

constructor

new Collection<E>(): Collection<E>
Type Parameters
- E
Returns Collection<E>

Methods

contains

contains(o): boolean
Returns true if this collection contains the specified element. More formally, returns true if and only if this collection contains at least one element e such that Objects.equals(o, e).
Parameters
- o: any
  element whose presence in this collection is to be tested
Returns boolean
true if this collection contains the specified element

Throws
ClassCastException if the type of the specified element is incompatible with this collection (optional)

Throws
NullPointerException if the specified element is null and this collection does not permit null elements (optional)
- Defined in types/generated/build/types/java.util.d.ts:33

isEmpty

isEmpty(): boolean
Returns true if this collection contains no elements.

Returns boolean
true if this collection contains no elements
- Defined in types/generated/build/types/java.util.d.ts:16

iterator

iterator(): Iterator<E>
Returns an iterator over the elements in this collection. There are no guarantees concerning the order in which the elements are returned (unless this collection is an instance of some class that provides a guarantee).

Returns Iterator<E>
an Iterator over the elements in this collection
- Defined in types/generated/build/types/java.util.d.ts:42

size

size(): number
Returns the number of elements in this collection. If this collection contains more than Integer.MAX_VALUE elements, returns Integer.MAX_VALUE.

Returns number
the number of elements in this collection
- Defined in types/generated/build/types/java.util.d.ts:10