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Yudong Jin
7257641e0e
* Retranslate the complete Japanese online edition from Chinese * Fit Japanese homepage labels and localize heading permalinks * Point Japanese contribution instructions to the Japanese preview * Replace locale conditionals with multilingual UI tables
41 lines
1.1 KiB
Java
41 lines
1.1 KiB
Java
/**
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* File: queue.java
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* Created Time: 2022-11-25
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* Author: krahets ([email protected])
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*/
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package chapter_stack_and_queue;
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import java.util.*;
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public class queue {
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public static void main(String[] args) {
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/* キューを初期化する */
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Queue<Integer> queue = new LinkedList<>();
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/* 要素をエンキューする */
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queue.offer(1);
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queue.offer(3);
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queue.offer(2);
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queue.offer(5);
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queue.offer(4);
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System.out.println("キュー queue = " + queue);
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/* キューの先頭要素にアクセス */
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int peek = queue.peek();
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System.out.println("キューの先頭要素 peek = " + peek);
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/* 要素をデキューする */
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int pop = queue.poll();
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System.out.println("デキューした要素 pop = " + pop + "、デキュー後 queue = " + queue);
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/* キューの長さを取得 */
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int size = queue.size();
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System.out.println("キューの長さ size = " + size);
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/* キューが空か判定 */
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boolean isEmpty = queue.isEmpty();
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System.out.println("キューは空か = " + isEmpty);
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}
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}
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