本文整理汇总了Java中java.util.concurrent.ConcurrentHashMap.forEachKey方法的典型用法代码示例。如果您正苦于以下问题：Java ConcurrentHashMap.forEachKey方法的具体用法？Java ConcurrentHashMap.forEachKey怎么用？Java ConcurrentHashMap.forEachKey使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.util.concurrent.ConcurrentHashMap的用法示例。
在下文中一共展示了ConcurrentHashMap.forEachKey方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testForEachKeyInParallel
import java.util.concurrent.ConcurrentHashMap; //导入方法依赖的package包/类
/**
* forEachKeyInParallel traverses all keys
*/
public void testForEachKeyInParallel() {
LongAdder adder = new LongAdder();
ConcurrentHashMap<Long, Long> m = longMap();
m.forEachKey(1L, (Long x) -> adder.add(x.longValue()));
assertEquals(adder.sum(), SIZE * (SIZE - 1) / 2);
}
示例2: concurrentMapNewFeatures
import java.util.concurrent.ConcurrentHashMap; //导入方法依赖的package包/类
private static void concurrentMapNewFeatures() {
ConcurrentHashMap<String, String> map = new ConcurrentHashMap<>();
map.put("One", "One");
map.put("One1", "One");
map.put("One11", "One");
map.put("One111", "One");
map.put("One1111", "One");
map.forEachKey(2, k -> k.length(), System.out::println);
}
示例3: testForEachKeySequentially
import java.util.concurrent.ConcurrentHashMap; //导入方法依赖的package包/类
/**
* forEachKeySequentially traverses all keys
*/
public void testForEachKeySequentially() {
LongAdder adder = new LongAdder();
ConcurrentHashMap<Long, Long> m = longMap();
m.forEachKey(Long.MAX_VALUE, (Long x) -> adder.add(x.longValue()));
assertEquals(adder.sum(), SIZE * (SIZE - 1) / 2);
}