本文整理汇总了Java中java.util.concurrent.ConcurrentSkipListMap.headMap方法的典型用法代码示例。如果您正苦于以下问题：Java ConcurrentSkipListMap.headMap方法的具体用法？Java ConcurrentSkipListMap.headMap怎么用？Java ConcurrentSkipListMap.headMap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.ConcurrentSkipListMap的用法示例。
在下文中一共展示了ConcurrentSkipListMap.headMap方法的1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: testHeadMapContents
import java.util.concurrent.ConcurrentSkipListMap; //导入方法依赖的package包/类
/**
* headMap returns map with keys in requested range
*/
public void testHeadMapContents() {
ConcurrentSkipListMap map = map5();
NavigableMap sm = map.headMap(four, false);
assertTrue(sm.containsKey(one));
assertTrue(sm.containsKey(two));
assertTrue(sm.containsKey(three));
assertFalse(sm.containsKey(four));
assertFalse(sm.containsKey(five));
Iterator i = sm.keySet().iterator();
Object k;
k = (Integer)(i.next());
assertEquals(one, k);
k = (Integer)(i.next());
assertEquals(two, k);
k = (Integer)(i.next());
assertEquals(three, k);
assertFalse(i.hasNext());
sm.clear();
assertTrue(sm.isEmpty());
assertEquals(2, map.size());
assertEquals(four, map.firstKey());
}