--- jsr166/src/main/java/util/Vector.java 2016/12/08 05:01:42 1.41 +++ jsr166/src/main/java/util/Vector.java 2017/05/06 06:49:46 1.46 @@ -70,7 +70,7 @@ import java.util.function.UnaryOperator; * *

As of the Java 2 platform v1.2, this class was retrofitted to * implement the {@link List} interface, making it a member of the - * + * * Java Collections Framework. Unlike the new collection * implementations, {@code Vector} is synchronized. If a thread-safe * implementation is not needed, it is recommended to use {@link @@ -307,8 +307,9 @@ public class Vector if (newSize > elementData.length) grow(newSize); final Object[] es = elementData; - for (int to = elementCount, i = elementCount = newSize; i < to; i++) + for (int to = elementCount, i = newSize; i < to; i++) es[i] = null; + elementCount = newSize; } /** @@ -1425,7 +1426,7 @@ public class Vector private int fence; // -1 until used; then one past last index private int expectedModCount; // initialized when fence set - /** Create new spliterator covering the given range */ + /** Creates new spliterator covering the given range. */ VectorSpliterator(Object[] array, int origin, int fence, int expectedModCount) { this.array = array; @@ -1454,9 +1455,8 @@ public class Vector @SuppressWarnings("unchecked") public boolean tryAdvance(Consumer action) { + Objects.requireNonNull(action); int i; - if (action == null) - throw new NullPointerException(); if (getFence() > (i = index)) { index = i + 1; action.accept((E)array[i]); @@ -1469,8 +1469,7 @@ public class Vector @SuppressWarnings("unchecked") public void forEachRemaining(Consumer action) { - if (action == null) - throw new NullPointerException(); + Objects.requireNonNull(action); final int hi = getFence(); final Object[] a = array; int i;