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AtomicIntegerArray源码分析与感悟
2022-04-23 13:53:00 【InfoQ】
- Expert Group and released to the public domain, as explained at
- http://creativecommons.org/publicdomain/zero/1.0/
- An {@code int} array in which elements may be updated atomically.
- See the {@link java.util.concurrent.atomic} package
- specification for description of the properties of atomic
- variables.
- @since 1.5
- @author Doug Lea
- Creates a new AtomicIntegerArray of the given length, with all
- elements initially zero.
- @param length the length of the array
- Creates a new AtomicIntegerArray with the same length as, and
- all elements copied from, the given array.
- @param array the array to copy elements from
- @throws NullPointerException if array is null
- Returns the length of the array.
- @return the length of the array
- Gets the current value at position {@code i}.
- @param i the index
- @return the current value
- Sets the element at position {@code i} to the given value.
- @param i the index
- @param newValue the new value
- Eventually sets the element at position {@code i} to the given value.
- @param i the index
- @param newValue the new value
- @since 1.6
- Atomically sets the element at position {@code i} to the given
- value and returns the old value.
- @param i the index
- @param newValue the new value
- @return the previous value
- Atomically sets the element at position {@code i} to the given
- updated value if the current value {@code ==} the expected value.
- @param i the index
- @param expect the expected value
- @param update the new value
- @return true if successful. False return indicates that
- the actual value was not equ《一线大厂Java面试题解析+后端开发学习笔记+最新架构讲解视频+实战项目源码讲义》无偿开源 威信搜索公众号【编程进阶路】al to the expected value.
- Atomically sets the element at position {@code i} to the given
- updated value if the current value {@code ==} the expected value.
- <p>May <a href="package-summary.html#Spurious">fail spuriously</a>
- and does not provide ordering guarantees, so is only rarely an
- appropriate alternative to {@code compareAndSet}.
- @param i the index
- @param expect the expected value
- @param update the new value
- @return true if successful.
- Atomically increments by one the element at index {@code i}.
- @param i the index
- @return the previous value
- Atomically decrements by one the element at index {@code i}.
- @param i the index
- @return the previous value
- Atomically adds the given value to the element at index {@code i}.
- @param i the index
- @param delta the value to add
- @return the previous value
- Atomically increments by one the element at index {@code i}.
- @param i the index
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