{
   "question_id": 7431662,
   "question_title": "定义一个类Generator",
   "question_content": "<p>定义一个类 Generator&#xff08;生成器类&#xff09;&#xff0c;它可以在每次调用其 next()方法时&#xff0c;产生由你 最喜欢的电影&#xff08;如 Snow White 或 Star Wars&#xff09;的字符构成的名字&#xff08;作为 String 对象&#xff09;。在字 符列表中的电影名用完之后&#xff0c;循环到这个字符列表的开始处。使用这个生成器来填充数组、 ArrayList、LinkedList、HashSet&#xff0c;然后打印每一个容器。</p>",
   "difficulty": "简单",
   "answer_id": 53400496,
   "answer_content": "<pre>\n<code>import java.util.*;\npublic class MovieGenerator {\n    private String[] movies &#61; new String[] { &#34;SS&#34;, &#34;DD&#34;, &#34;HH&#34;, &#34;FF&#34;, &#34;XX&#34;, &#34;ZZ&#34; };\n    private int i &#61; 0;\n    public String next() {\n        return movies[i&#43;&#43; % movies.length];\n    }\n    public String[] getMovies() {\n        return movies;\n    }\n    public Collection&lt;String&gt; fill(Collection&lt;String&gt; collection) {\n        for (int i &#61; 0; i &lt; 8; i&#43;&#43;) {\n        collection.add(next());\n        }\n        return collection;\n    }\n    public static void main(String[] args) {\n        MovieGenerator generator &#61; new MovieGenerator();\n        System.out.println(Arrays.toString(generator.getMovies()));\n        System.out.println(generator.fill(new ArrayList&lt;String&gt;()));\n        System.out.println(generator.fill(new LinkedList&lt;String&gt;()));\n        System.out.println(generator.fill(new HashSet&lt;String&gt;()));\n    }\n}</code></pre>\n\n<p> </p>\n",
   "tag_name": "java",
   "java": "import java.util.*;\npublic class MovieGenerator {\n\tprivate String[] movies = new String[] { \"SS\", \"DD\", \"HH\", \"FF\", \"XX\", \"ZZ\" };\n\tprivate int i = 0;\n\tpublic String next() {\n\t\treturn movies[i++ % movies.length];\n\t}\n\tpublic String[] getMovies() {\n\t\treturn movies;\n\t}\n\tpublic Collection<String> fill(Collection<String> collection) {\n\t\tfor (int i = 0; i < 8; i++) {\n\t\t\tcollection.add(next());\n\t\t}\n\t\treturn collection;\n\t}\n\tpublic static void main(String[] args) {\n\t\tMovieGenerator generator = new MovieGenerator();\n\t\tSystem.out.println(Arrays.toString(generator.getMovies()));\n\t\tSystem.out.println(generator.fill(new ArrayList<String>()));\n\t\tSystem.out.println(generator.fill(new LinkedList<String>()));\n\t\tSystem.out.println(generator.fill(new HashSet<String>()));\n\t}\n}",
   "topic_link": "https://bbs.csdn.net/topics/600469978",
   "status": 1,
   "keywords": "散列表,散列表,算法中阶,数据结构",
   "license": "csdn.net",
   "notebook": {
      "java": "https://codechina.csdn.net/csdn/csdn-daily-code/-/jupyter/master/data/notebook/answer/ipynb/java/32.ipynb?type=file"
   },
   "notebook_enable": 1
}