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Snailclimb merged 1 commit into from
Mar 8, 2025
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Update atomic-classes.md #2634

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6 changes: 3 additions & 3 deletions docs/java/concurrent/atomic-classes.md
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Expand Up @@ -341,7 +341,7 @@ Final Reference: Daisy, Final Mark: true
- `AtomicLongFieldUpdater`：原子更新长整形字段的更新器
- `AtomicReferenceFieldUpdater`：原子更新引用类型里的字段的更新器

要想原子地更新对象的属性需要两步。第一步，因为对象的属性修改类型原子类都是抽象类，所以每次使用都必须使用静态方法 newUpdater()创建一个更新器，并且需要设置想要更新的类和属性。第二步，更新的对象属性必须使用 public volatile 修饰符。
要想原子地更新对象的属性需要两步。第一步，因为对象的属性修改类型原子类都是抽象类，所以每次使用都必须使用静态方法 newUpdater()创建一个更新器，并且需要设置想要更新的类和属性。第二步，更新的对象属性必须使用 volatile int 修饰符。

上面三个类提供的方法几乎相同，所以我们这里以 `AtomicIntegerFieldUpdater`为例子来介绍。

Expand All @@ -351,8 +351,8 @@ Final Reference: Daisy, Final Mark: true
// Person 类
class Person {
private String name;
// 要使用 AtomicIntegerFieldUpdater，字段必须是 public volatile
private volatile int age;
// 要使用 AtomicIntegerFieldUpdater，字段必须是 volatile int
volatile int age;
//省略getter/setter和toString
}

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