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---------------------------
AtomicInteger
|
---------------------------
#
原子性的变量
#
使用CAS
(
Compare
And
Swap
)
算法保证数据的原子性
#
相同的API
(
数据类型不同
)
AtomicLong
AtomicBoolean
AtomicLong
AtomicReference
AtomicIntegerArray
AtomicLongArray
#
创建
AtomicInteger
()
*
创建具有初始值
0
的新
AtomicInteger
AtomicInteger
(
int
initialValue
)
*
创建指定初始值的
AtomicInteger
#
方法
void
set
(
int
newValue
);
*
设置新值
int
getAndSet
(
int
newValue
);
*
设置新值
,
并且返回旧值
int
addAndGet
(
int
delta
);
*
加上指定值
,
返回相加后的值
int
getAndAdd
(
int
delta
);
*
加上指定的值
,
返回相加前的原始值
int
decrementAndGet
()
*
减去1
,
返回减后的值
int
getAndDecrement
();
*
减去1
,
返回减前的值
int
incrementAndGet
();
*
加1
,
返回加后的值
int
getAndIncrement
();
*
加1
,
返回加前的值
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