import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap;
public
class Concurrency1 {
public static
void main(String[] args) {
ConcurrentHashMap<Integer, UUID> concurrentHashMap =
new ConcurrentHashMap<>();
for (int i =
0; i <
100; i++) {
concurrentHashMap.put(i, UUID.randomUUID());
}
int threshold =
1;
concurrentHashMap.forEachValue(threshold, System.
out::println);
concurrentHashMap.forEach
((id, uuid) -> {
if (id % 10 == 0) {
System.out.println(String.format("%s: %s", id, uuid));
}
});
UUID searchResult = concurrentHashMap.search(threshold, (id, uuid) -> {
if (String.valueOf(uuid).startsWith(String.valueOf(id))) {
return uuid;
}
return null;
});
System.out.println(searchResult);
}
}
转载于:https://www.cnblogs.com/bilaisheng/p/10210910.html
相关资源：Android代码-java-concurrency-patterns
