--- jsr166/src/main/java/util/Vector.java	2018/03/28 02:50:41	1.48
+++ jsr166/src/main/java/util/Vector.java	2018/04/28 16:25:34	1.49
@@ -25,6 +25,9 @@
 
 package java.util;
 
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.StreamCorruptedException;
 import java.util.function.Consumer;
 import java.util.function.Predicate;
 import java.util.function.UnaryOperator;
@@ -1177,6 +1180,29 @@ public class Vector<E>
     }
 
     /**
+     * Loads a {@code Vector} instance from a stream
+     * (that is, deserializes it).
+     * This method performs checks to ensure the consistency
+     * of the fields.
+     *
+     * @param in the stream
+     * @throws java.io.IOException if an I/O error occurs
+     * @throws ClassNotFoundException if the stream contains data
+     *         of a non-existing class
+     */
+    private void readObject(ObjectInputStream in)
+            throws IOException, ClassNotFoundException {
+        ObjectInputStream.GetField gfields = in.readFields();
+        int count = gfields.get("elementCount", 0);
+        Object[] data = (Object[])gfields.get("elementData", null);
+        if (count < 0 || data == null || count > data.length) {
+            throw new StreamCorruptedException("Inconsistent vector internals");
+        }
+        elementCount = count;
+        elementData = data.clone();
+    }
+
+    /**
      * Saves the state of the {@code Vector} instance to a stream
      * (that is, serializes it).
      * This method performs synchronization to ensure the consistency