首先,队列(Queue)遵循先进先出(FIFO)原则。代码中创建了一个LinkedList队列并依次添加了三个元素:"apple"、"orange"和"pear"。接着连续执行三次poll()操作:1. 第一次poll()移除队列头部的"apple",剩余["orange", "pear"];2. 第二次poll()移除"orange",剩余["pear"];3. 第
public class Main01 { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); Queue<Integer> queue = new LinkedList<>(); for (int i = 0; i < n; i++) { queue.add(scanner.nextInt()); } int[] out = new int[n]; for...
public boolean btreeGameWinningMove(TreeNode root, int n, int x) { count = new int[n + 1]; marked = new boolean[n + 1]; Queue<TreeNode> q = new LinkedList<>(); q.add(root); List<Integer>[] G = new ArrayList[n + 1]; for (int i = 0; i <= n; i++) { G[i] = ...
import java.util.*; public class Test2 { public static void main(String[] args) { Scanner sc=new Scanner(System.in); int n=sc.nextInt(); int m=sc.nextInt(); // int[] a=new int[n]; int[] b=new int[n]; Queue<Integer> aqueue=new LinkedList<Integer>(); for(int i=0;i<...
int[][] dirs=new int[][]{{1, 0}, {-1, 0}, {0, 1}, {0, -1}}; boolean[][] marked=new boolean[maze.length][maze[0].length]; Queue<int[]> q = new LinkedList<>(); for (int[] dir : dirs) { q.add(new int[]{start[0] + dir[0], start[1] + dir[1], dir[0...
PublicKey public interface PublicKey extends Key A public key. This interface contains no metho……欲了解更多信息欢迎访问华为HarmonyOS开发者官网
@Test public void test1() throws Throwable { Object obj = new Object(); // 1:toString:返回描述对象的字符串 System.out.println(obj.toString()); // 2: equals:比较两个对象是否相等 面试题1:== 和 equals 的区别 System.out.println(obj.equals(obj)); Student s1 = new Student(); Student ...
Convert integer time to formatted datetime format convert itextsharp.text.image to byte Convert Java code to c# or vb Convert Java To C# Convert Json file to textbox Convert LinkedList to List Convert List array to single byte array convert List of String to string array in C# convert List<...
import java.util.concurrent.BlockingQueue; public class ProducerConsumerExample { private static final int BUFFER_SIZE = 10; private static BlockingQueue<Integer> buffer = new ArrayBlockingQueue<>(BUFFER_SIZE); public static void main(String[] args) { ...
SortedSet TreeSet Queue LinkedList Set HashSet anything else ArrayList If the component does not have a ValueExpression for value, let targetForConvertedValues be an array of type Object. Return targetForConvertedValues after populating it with the converted ...