| Name | Description | Type | Package | Framework |
| AtomicBoolean | A boolean value that may be updated atomically. | Class | java.util.concurrent.atomic | Java SE |
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| AtomicInteger | An int value that may be updated atomically. | Class | java.util.concurrent.atomic | Java SE |
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| AtomicIntegerArray | An int array in which elements may be updated atomically. | Class | java.util.concurrent.atomic | Java SE |
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| AtomicIntegerFieldUpdater | A reflection-based utility that enables atomic updates to designated volatile int fields of designated classes. | Class | java.util.concurrent.atomic | Java SE |
|
| AtomicLong | A long value that may be updated atomically. | Class | java.util.concurrent.atomic | Java SE |
|
| AtomicLongArray | A long array in which elements may be updated atomically. | Class | java.util.concurrent.atomic | Java SE |
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| AtomicLongFieldUpdater | A reflection-based utility that enables atomic updates to designated volatile long fields of designated classes. | Class | java.util.concurrent.atomic | Java SE |
|
| AtomicMarkableReference | An AtomicMarkableReference maintains an object reference along with a mark bit, that can be updated atomically. | Class | java.util.concurrent.atomic | Java SE |
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| AtomicReference | An object reference that may be updated atomically. | Class | java.util.concurrent.atomic | Java SE |
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| AtomicReferenceArray | An array of object references in which elements may be updated atomically. | Class | java.util.concurrent.atomic | Java SE |
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| AtomicReferenceFieldUpdater | A reflection-based utility that enables atomic updates to designated volatile reference fields of designated | Class | java.util.concurrent.atomic | Java SE |
|
| AtomicStampedReference | An AtomicStampedReference maintains an object reference along with an integer stamp, that can be updated atomically. | Class | java.util.concurrent.atomic | Java SE |
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| DoubleAccumulator | One or more variables that together maintain a running double value updated using a supplied function. | Class | java.util.concurrent.atomic | Java SE |
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| DoubleAdder | One or more variables that together maintain an initially zero double sum. | Class | java.util.concurrent.atomic | Java SE |
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| LongAccumulator | One or more variables that together maintain a running long value updated using a supplied function. | Class | java.util.concurrent.atomic | Java SE |
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| LongAdder | One or more variables that together maintain an initially zero long sum. | Class | java.util.concurrent.atomic | Java SE |