/* * Copyright (C) 2014 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package java.util; public interface Collection extends java.lang.Iterable { public abstract boolean add(E object); public abstract boolean addAll(java.util.Collection collection); public abstract void clear(); public abstract boolean contains(java.lang.Object object); public abstract boolean containsAll(java.util.Collection collection); public abstract boolean equals(java.lang.Object object); public abstract int hashCode(); public abstract boolean isEmpty(); public abstract java.util.Iterator iterator(); public abstract boolean remove(java.lang.Object object); public abstract boolean removeAll(java.util.Collection collection); public abstract boolean retainAll(java.util.Collection collection); public abstract int size(); public abstract java.lang.Object[] toArray(); public abstract T[] toArray(T[] array); }