{"id":37153,"date":"2024-11-26T17:41:15","date_gmt":"2024-11-26T09:41:15","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37153\/"},"modified":"2024-11-26T17:41:15","modified_gmt":"2024-11-26T09:41:15","slug":"java%e6%80%8e%e4%b9%88%e5%b0%86%e7%b1%bb%e6%95%b0%e7%bb%84%e5%8c%96","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37153\/","title":{"rendered":"java\u600e\u4e48\u5c06\u7c7b\u6570\u7ec4\u5316"},"content":{"rendered":"

\n java \u4e2d\u5c06\u7c7b\u6570\u7ec4\u5316\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a\u4f7f\u7528\u6570\u7ec4\u8bed\u6cd5\u548c list \u63a5\u53e3\u3002\u6570\u7ec4\u8bed\u6cd5\u9700\u8981\u9884\u5148\u6307\u5b9a\u5927\u5c0f\uff0c\u800c list \u63a5\u53e3\u63d0\u4f9b\u52a8\u6001\u8c03\u6574\u5927\u5c0f\u548c\u7c7b\u578b\u5b89\u5168\u7684\u7075\u6d3b\u6027\u3002\u793a\u4f8b\u4ee3\u7801\uff1aperson[] peoplearray = new person[10]; list peoplelist = new arraylist();\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u5c06\u7c7b\u6570\u7ec4\u5316\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u5c06\u7c7b\u6570\u7ec4\u5316\u7684\u65b9\u6cd5<\/strong><\/p>\n

\u95ee\u9898\uff1a<\/strong> \u5982\u4f55\u5728 Java \u4e2d\u5c06\u7c7b\u6570\u7ec4\u5316\uff1f<\/p>\n

\u65b9\u6cd5\uff1a<\/strong><\/p>\n

    \n
  1. \n

    \u4f7f\u7528\u6570\u7ec4\u7684\u8bed\u6cd5<\/strong><\/p>\n

    \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

    ClassName[] arrayName = new ClassName[arraySize];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4f8b\u5982\uff1a<\/p>\n
    Person[] people = new Person[10];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
  2. \n
    \u4f7f\u7528 List \u63a5\u53e3<\/strong><\/p>\n
    List \u63a5\u53e3\u63d0\u4f9b\u4e86\u4e00\u4e2a\u6570\u7ec4\u5217\u8868\uff0c\u53ef\u52a8\u6001\u8c03\u6574\u5927\u5c0f\u3002<\/p>\n
    List<ClassName> listName = new ArrayList<>();<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4f8b\u5982\uff1a<\/p>\n
    List<Person> peopleList = new ArrayList<>();<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ol>\n
    \u8be6\u7ec6\u89e3\u91ca\uff1a<\/strong><\/p>\n
      \n
    • \u4f7f\u7528\u6570\u7ec4\u8bed\u6cd5\u65f6\uff0c\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\u3002\u6570\u7ec4\u5927\u5c0f\u4e00\u65e6\u8bbe\u7f6e\uff0c\u5c31\u65e0\u6cd5\u66f4\u6539\u3002<\/li>\n
    • \u4f7f\u7528 List \u63a5\u53e3\u65f6\uff0c\u4e0d\u9700\u8981\u9884\u5148\u6307\u5b9a\u5927\u5c0f\u3002\u53ef\u4ee5\u6839\u636e\u9700\u8981\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u3002<\/li>\n
    • \u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u53ef\u4ee5\u7528\u6765\u5b58\u50a8\u7c7b\u5bf9\u8c61\u3002\u7136\u800c\uff0cList \u63a5\u53e3\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u7075\u6d3b\u6027\uff0c\u4f8b\u5982\u52a8\u6001\u8c03\u6574\u5927\u5c0f\u548c\u4f7f\u7528\u6cdb\u578b\u6765\u5f3a\u5236\u7c7b\u578b\u5b89\u5168\u3002<\/li>\n<\/ul>\n
      \u793a\u4f8b\uff1a<\/strong><\/p>\n
      \/\/ \u4f7f\u7528\u6570\u7ec4\nPerson[] peopleArray = new Person[10];\npeopleArray[0] = new Person(\"John\", 30);\n\n\/\/ \u4f7f\u7528 List\nList<Person> peopleList = new ArrayList<>();\npeopleList.add(new Person(\"Jane\", 25));<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n
        \n
      • \u786e\u4fdd\u7c7b\u5b9e\u73b0\u4e86 java.io.Serializable \u63a5\u53e3\uff0c\u4ee5\u4fbf\u80fd\u591f\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u3002<\/li>\n
      • \u5982\u679c\u9700\u8981\u5728\u4e0d\u540c\u7ebf\u7a0b\u4e4b\u95f4\u5171\u4eab\u6570\u7ec4\u6216\u5217\u8868\uff0c\u8bf7\u4f7f\u7528\uff0c\u4f8b\u5982 Collections.synchronizedList()\u3002<\/li>\n<\/ul>\n
        \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5c06\u7c7b\u6570\u7ec4\u5316\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
        java \u4e2d\u5c06\u7c7b\u6570\u7ec4\u5316\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a\u4f7f\u7528\u6570\u7ec4\u8bed\u6cd5\u548c list \u63a5\u53e3\u3002\u6570\u7ec4\u8bed\u6cd5\u9700\u8981\u9884\u5148\u6307\u5b9a\u5927\u5c0f\uff0c\u800c list \u63a5\u53e3\u63d0\u4f9b\u52a8\u6001\u8c03\u6574\u5927\u5c0f\u548c\u7c7b\u578b\u5b89\u5168\u7684\u7075\u6d3b\u6027\u3002\u793a\u4f8b\u4ee3\u7801\uff1aperson[] peoplearray = new person[10]; list peoplelist = new arraylist(); Java \u4e2d\u5c06\u7c7b\u6570\u7ec4\u5316\u7684\u65b9\u6cd5 \u95ee\u9898\uff1a \u5982\u4f55\u5728 Java \u4e2d\u5c06\u7c7b\u6570\u7ec4\u5316\uff1f \u65b9\u6cd5\uff1a \u4f7f\u7528\u6570\u7ec4\u7684\u8bed\u6cd5 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b ClassName[] arrayName = new ClassName[arraySize]; \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff1a Person[] people = new Person[10]; \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 List \u63a5\u53e3 List \u63a5\u53e3\u63d0\u4f9b\u4e86\u4e00\u4e2a\u6570\u7ec4\u5217\u8868\uff0c\u53ef\u52a8\u6001\u8c03\u6574\u5927\u5c0f\u3002 List<ClassName> listName = new ArrayList<>(); \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff1a List<Person> peopleList = new ArrayList<>(); \u767b\u5f55\u540e\u590d\u5236 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-37153","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37153","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=37153"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37153\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37153"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37153"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37153"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}