Edit C:\Program Files\Java\jdk1.8.0_121\com\sun\javafx\UnmodifiableArrayList.java
/* * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package com.sun.javafx; import java.util.AbstractList; import java.util.RandomAccess; /** * An unmodifiable array-based List implementation. This is essentially like the * package private UnmodifiableRandomAccessList of the JDK, and helps us to * avoid having to do a lot of conversion work when we want to pass an array * into an unmodifiable list implementation (otherwise we would have to create * a temporary list that is then passed to Collections.unmodifiableList). */ public class UnmodifiableArrayList<T> extends AbstractList<T> implements RandomAccess { private T[] elements; private final int size; /** * The given elements are used directly (a defensive copy is not made), * and the given size is used as the size of this list. It is the callers * responsibility to make sure the size is accurate. * * @param elements The elements to use. * @param size The size must be <= the length of the elements array */ public UnmodifiableArrayList(T[] elements, int size) { assert elements == null ? size == 0 : size <= elements.length; this.size = size; this.elements = elements; } @Override public T get(int index) { return elements[index]; } @Override public int size() { return size; } }
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