@Immutable
注解的类中的任何非 final 字段。
这违反了 @Immutable
注解的约定。
示例:
import javax.annotation.concurrent.Immutable;
@Immutable
class Foo {
String bar = "foo";
}
支持的 @GuardedBy
注解是:
net.jcip.annotations.GuardedBy
javax.annotation.concurrent.GuardedBy
org.apache.http.annotation.GuardedBy
com.android.annotations.concurrency.GuardedBy
androidx.annotation.GuardedBy
com.google.errorprone.annotations.concurrent.GuardedBy