--- jsr166/src/jsr166e/DoubleAdder.java 2011/10/15 21:29:34 1.4 +++ jsr166/src/jsr166e/DoubleAdder.java 2013/01/07 07:14:01 1.8 @@ -5,10 +5,7 @@ */ package jsr166e; -import java.io.IOException; import java.io.Serializable; -import java.io.ObjectInputStream; -import java.io.ObjectOutputStream; /** * One or more variables that together maintain an initially zero @@ -19,12 +16,12 @@ import java.io.ObjectOutputStream; * variables maintaining the sum. * *

This class extends {@link Number}, but does not define - * methods such as {@code hashCode} and {@code compareTo} because - * instances are expected to be mutated, and so are not useful as - * collection keys. + * methods such as {@code equals}, {@code hashCode} and {@code + * compareTo} because instances are expected to be mutated, and so are + * not useful as collection keys. * *

jsr166e note: This class is targeted to be placed in - * java.util.concurrent.atomic + * java.util.concurrent.atomic. * * @since 1.8 * @author Doug Lea @@ -80,7 +77,7 @@ public class DoubleAdder extends Striped /** * Returns the current sum. The returned value is NOT an - * atomic snapshot: Invocation in the absence of concurrent + * atomic snapshot: invocation in the absence of concurrent * updates returns an accurate result, but concurrent updates that * occur while the sum is being calculated might not be * incorporated. Also, because double-precision arithmetic is not @@ -190,8 +187,8 @@ public class DoubleAdder extends Striped s.writeDouble(sum()); } - private void readObject(ObjectInputStream s) - throws IOException, ClassNotFoundException { + private void readObject(java.io.ObjectInputStream s) + throws java.io.IOException, ClassNotFoundException { s.defaultReadObject(); busy = 0; cells = null;