| # | Line 19 | Line 19 | import java.io.ObjectOutputStream; | |
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| 19 | * #longValue}) returns the current total combined across the | |
| 20 | * variables maintaining the sum. | |
| 21 | * | |
| 22 | < | * <p> This class is usually preferable to {@link AtomicLong} when |
| 22 | > | * <p>This class is usually preferable to {@link AtomicLong} when |
| 23 | * multiple threads update a common sum that is used for purposes such | |
| 24 | * as collecting statistics, not for fine-grained synchronization | |
| 25 | * control. Under low update contention, the two classes have similar | |
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