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Java ConcurrentSkipListMap.lastEntry方法代碼示例

本文整理匯總了Java中java.util.concurrent.ConcurrentSkipListMap.lastEntry方法的典型用法代碼示例。如果您正苦於以下問題:Java ConcurrentSkipListMap.lastEntry方法的具體用法?Java ConcurrentSkipListMap.lastEntry怎麽用?Java ConcurrentSkipListMap.lastEntry使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在java.util.concurrent.ConcurrentSkipListMap的用法示例。


在下文中一共展示了ConcurrentSkipListMap.lastEntry方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: main

import java.util.concurrent.ConcurrentSkipListMap; //導入方法依賴的package包/類
/**
 * @param args
 */
public static void main(String[] args) {
	/*
	 * Create the navigable map
	 */
	ConcurrentSkipListMap<String, Contact> map = new ConcurrentSkipListMap<>();

	/*
	 * Create an array to store the 26 threads that execute the tasks
	 */
	Thread threads[] = new Thread[26];
	int counter = 0;

	/*
	 * Execute the 26 tasks
	 */
	for (char i = 'A'; i <= 'Z'; i++) {
		Task task = new Task(map, String.valueOf(i));
		threads[counter] = new Thread(task);
		threads[counter].start();
		counter++;
	}

	/*
	 * Wait for the finalization of the threads
	 */
	for (Thread thread : threads) {
		try {
			thread.join();
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
	}

	/*
	 * Write the size of the map
	 */
	System.out.printf("Main: Size of the map: %d\n", map.size());

	/*
	 * Write the first element of the map
	 */
	Map.Entry<String, Contact> element;
	Contact contact;

	element = map.firstEntry();
	contact = element.getValue();
	System.out.printf("Main: First Entry: %s: %s\n", contact.getName(), contact.getPhone());

	/*
	 * Write the last element of the map
	 */
	element = map.lastEntry();
	contact = element.getValue();
	System.out.printf("Main: Last Entry: %s: %s\n", contact.getName(), contact.getPhone());

	/*
	 * Write a subset of the map
	 */
	System.out.printf("Main: Submap from A1996 to B1002: \n");
	ConcurrentNavigableMap<String, Contact> submap = map.subMap("A1996", "B1002");
	do {
		element = submap.pollFirstEntry();
		if (element != null) {
			contact = element.getValue();
			System.out.printf("%s: %s\n", contact.getName(), contact.getPhone());
		}
	} while (element != null);
}
 
開發者ID:PacktPublishing,項目名稱:Java-9-Concurrency-Cookbook-Second-Edition,代碼行數:72,代碼來源:Main.java


注:本文中的java.util.concurrent.ConcurrentSkipListMap.lastEntry方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。