| ArrayList |
| 1 | package java.util; import java.util.function.Consumer; import java.util.function.Predicate; import java.util.function.UnaryOperator; import jdk.internal.access.SharedSecrets; import jdk.internal.util.ArraysSupport; public class ArrayList<E> extends AbstractList<E> implements List<E>, RandomAccess, Cloneable, java.io.Serializable { @java.io.Serial private static final long serialVersionUID = 8683452581122892189L; private static final int DEFAULT_CAPACITY = 10; private static final Object[] EMPTY_ELEMENTDATA = {}; |
| 2 | private static final Object[] DEFAULTCAPACITY_EMPTY_ELEMENTDATA = {}; transient Object[] elementData; private int size; public ArrayList(int initialCapacity) { if (initialCapacity > 0) { this.elementData = new Object[initialCapacity]; } else if (initialCapacity == 0) { this.elementData = EMPTY_ELEMENTDATA; } else { throw new IllegalArgumentException("Illegal Capacity: "+ initialCapacity); } } |
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