摘要：
import java.util.*; import java.util.stream.Collectors; public class Main { public static void main(String[] args) { String[] urls = {"news.qq.com", " 阅读全文
摘要：
import java.util.stream.IntStream; public class Main { public static void main(String[] args) { int[] lights = new int[]{50, 70, 20, 70}; int total = 阅读全文
摘要：
import java.util.ArrayDeque; import java.util.Objects; import java.util.stream.Collectors; public class Main { public static void main(String[] args) 阅读全文