import java.util.concurrent.ConcurrentHashMap;
public class ConcurrentHashMapExample {
public static void main(String[] args) {
ConcurrentHashMap<String, Integer> map = new ConcurrentHashMap<>();
// 插入元素
map.put("A", 1);
map.put("B", 2);
map.put("C", 3);
// 获取元素
System.out.println("Value of A: " + map.get("A"));
// 删除元素
map.remove("B");
// 遍历元素
for (String key : map.keySet()) {
System.out.println(key + ": " + map.get(key));
}
}
}
ConcurrentHashMap
于 2024-07-03 21:31:41 首次发布