\r\npackage jp.yucchi.factorymethodpattern4oldjava;\r\n\r\npublic interface Airplane {\r\n\r\n public void pilot();\r\n\r\n public void maintain();\r\n}\r\n\r\n<\/pre>\n
\r\npackage jp.yucchi.factorymethodpattern4oldjava;\r\n\r\npublic class JetAirplane implements Airplane {\r\n\r\n    @Override\r\n    public void pilot() {\r\n        System.out.println(\"\u30b8\u30a7\u30c3\u30c8\u6a5f\u3092\u64cd\u7e26\u3057\u307e\u3059\u3002\");\r\n    }\r\n\r\n    @Override\r\n    public void maintain() {\r\n        System.out.println(\"\u30b8\u30a7\u30c3\u30c8\u6a5f\u3092\u6574\u5099\u3057\u307e\u3059\u3002\");\r\n    }\r\n}\r\n\r\n<\/pre>\n\r\npackage jp.yucchi.factorymethodpattern4oldjava;\r\n\r\npublic class FighterPlane implements Airplane {\r\n\r\n    @Override\r\n    public void pilot() {\r\n        System.out.println(\"\u6226\u95d8\u6a5f\u3092\u64cd\u7e26\u3057\u307e\u3059\u3002\");\r\n    }\r\n\r\n    @Override\r\n    public void maintain() {\r\n        System.out.println(\"\u6226\u95d8\u6a5f\u3092\u6574\u5099\u3057\u307e\u3059\u3002\");\r\n    }\r\n}\r\n\r\n<\/pre>\n\r\npackage jp.yucchi.factorymethodpattern4oldjava;\r\n\r\nabstract class AirplanePilot {\r\n\r\n    public abstract Airplane getAirplane();\r\n\r\n    public void pilotAirplane() {\r\n        getAirplane().pilot();\r\n    }\r\n\r\n    public void maintainAirplane() {\r\n        getAirplane().maintain();\r\n    }\r\n}\r\n\r\nclass JetAirplanePilot extends AirplanePilot {\r\n\r\n    @Override\r\n    public Airplane getAirplane() {\r\n        return new JetAirplane();\r\n    }\r\n}\r\n\r\nclass FighterPlanePilot extends AirplanePilot {\r\n\r\n    @Override\r\n    public Airplane getAirplane() {\r\n        return new FighterPlane();\r\n    }\r\n}\r\n\r\n<\/pre>\n\r\npackage jp.yucchi.factorymethodpattern4oldjava;\r\n\r\npublic class FactoryMethodPattern4OldJava {\r\n\r\n    public static void main(String[] args) {\r\n        pilotAirplane(new JetAirplanePilot());\r\n        pilotAirplane(new FighterPlanePilot());\r\n    }\r\n\r\n    private static void pilotAirplane(AirplanePilot aPilot) {\r\n        System.out.println(\"I pilot a new airplane.\");\r\n        aPilot.pilotAirplane();\r\n        aPilot.maintainAirplane();\r\n    }\r\n}\r\n\r\n<\/pre>\n<\/p>\nFactory Method pattern \u3067\u3088\u304f\u898b\u304b\u3051\u308b\u5178\u578b\u7684\u306a\u30b5\u30f3\u30d7\u30eb\u3067\u3059\u306d\u3002<\/p>\n
\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u751f\u6210\u3092\u30b5\u30d6\u30af\u30e9\u30b9\u306b\u4efb\u305b\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u67d4\u8edf\u306b\u751f\u6210\u3059\u308b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3092\u53ef\u80fd\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3067\u306f Java8 \u3067\u306f\u3069\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u306b\u306a\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n
\r\npackage jp.yucchi.factorymethodpattern4lambda;\r\n\r\npublic interface Airplane {\r\n\r\n    public void pilot();\r\n\r\n    public void maintain();\r\n}\r\n\r\n<\/pre>\n\r\npackage jp.yucchi.factorymethodpattern4lambda;\r\n\r\npublic class JetAirplane implements Airplane {\r\n\r\n    @Override\r\n    public void pilot() {\r\n        System.out.println(\"\u30b8\u30a7\u30c3\u30c8\u6a5f\u3092\u64cd\u7e26\u3057\u307e\u3059\u3002\");\r\n    }\r\n\r\n    @Override\r\n    public void maintain() {\r\n        System.out.println(\"\u30b8\u30a7\u30c3\u30c8\u6a5f\u3092\u6574\u5099\u3057\u307e\u3059\u3002\");\r\n    }\r\n}\r\n\r\n<\/pre>\n\r\npackage jp.yucchi.factorymethodpattern4lambda;\r\n\r\npublic class FighterPlane implements Airplane {\r\n\r\n    @Override\r\n    public void pilot() {\r\n        System.out.println(\"\u6226\u95d8\u6a5f\u3092\u64cd\u7e26\u3057\u307e\u3059\u3002\");\r\n    }\r\n\r\n    @Override\r\n    public void maintain() {\r\n        System.out.println(\"\u6226\u95d8\u6a5f\u3092\u6574\u5099\u3057\u307e\u3059\u3002\");\r\n    }\r\n}\r\n\r\n<\/pre>\n\r\npackage jp.yucchi.factorymethodpattern4lambda;\r\n\r\npublic interface AirplanePilot {\r\n\r\n    public Airplane getAirplane();\r\n\r\n    public default void pilotAirplane() {\r\n        getAirplane().pilot();\r\n    }\r\n\r\n    public default void maintainAirplane() {\r\n        getAirplane().maintain();\r\n    }\r\n}\r\n\r\n<\/pre>\n\r\npackage jp.yucchi.factorymethodpattern4lambda;\r\n\r\npublic class FactoryMethodPattern4Lambda {\r\n\r\n    public static void main(String[] args) {\r\n        pilotAirplane(JetAirplane::new);\r\n        pilotAirplane(FighterPlane::new);\r\n    }\r\n\r\n    static void pilotAirplane(AirplanePilot aPilot) {\r\n        System.out.println(\"I pilot a new airplane.\");\r\n        aPilot.pilotAirplane();\r\n        aPilot.maintainAirplane();\r\n    }\r\n}\r\n<\/pre>\n<\/p>\nJava8 \u3067\u306f\u62bd\u8c61\u5316\u30af\u30e9\u30b9 AirplanePilot \u3068\u305d\u308c\u306e\u5177\u8c61\u5316\u30af\u30e9\u30b9\u4e8c\u3064\u304c\u5fc5\u8981\u3068\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n
\u305d\u306e\u4ee3\u308f\u308a\u306b\u3001Java8 \u306e\u65b0\u6a5f\u80fd\u306e Default methods ( Virtual extension methods ) \u3092\u5b9f\u88c5\u3057\u305f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u5b9f\u884c\u7d50\u679c\u306f\u3069\u3061\u3089\u3082\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
I pilot a new airplane.
\n\u30b8\u30a7\u30c3\u30c8\u6a5f\u3092\u64cd\u7e26\u3057\u307e\u3059\u3002
\n\u30b8\u30a7\u30c3\u30c8\u6a5f\u3092\u6574\u5099\u3057\u307e\u3059\u3002
\nI pilot a new airplane.
\n\u6226\u95d8\u6a5f\u3092\u64cd\u7e26\u3057\u307e\u3059\u3002
\n\u6226\u95d8\u6a5f\u3092\u6574\u5099\u3057\u307e\u3059<\/p>\n
\u5b9f\u306b\u30b7\u30f3\u30d7\u30eb\u3067\u7dba\u9e97\u306a\u30b3\u30fc\u30c9\u3067 Factory Method pattern \u304c\u5b9f\u88c5\u3067\u304d\u3066\u3057\u307e\u3046\u3093\u3067\u3059\u306d\uff01<\/p>\n
Hatena \u30bf\u30b0: Java<\/a><\/div>\n\n            <\/a><\/div>\n            <\/a><\/div>\n            <\/g:plusone><\/div>\n            Tweet<\/a><\/div>\n    <\/div>\n
\n","protected":false},"excerpt":{"rendered":"\u4eca\u65e5\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u3082\u300c\u3082\u3063\u3068 Lambda\u300d\u30b7\u30ea\u30fc\u30ba\u3067\u3059\u3002 \u4eca\u56de\u306f\u3088\u304f\u4f7f\u308f\u308c\u308b\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u3067\u77e5\u3089\u308c\u3066\u3044\u308b Factory Method pattern \u3092 Java8 \u3092\u4f7f\u3063\u3066\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3057\u3066\u307f\u307e\u3059\u3002 \u3061\u306a\u307f\u306b\u3053\u306e\u30cd\u30bf\u306f\u6d77\u5916\u306e\u30b5\u30a4\u30c8\u3067\u7d39\u4ecb\u3055\u308c\u3066\u3044\u305f\u3082\u306e\u3067\u3059\u3002 \u305d\u308c\u3092\u5c11\u3057\u5909\u3048\u3066\u5199\u7d4c\u3057\u305f\u3060\u3051\u3067\u3059\u304c\u968f\u5206\u30b7\u30f3\u30d7\u30eb\u306b\u306a\u308b\u306e\u3067\u611f\u6fc0\u3067\u3059\u3002 \u305d\u308c\u3067\u306f\u73fe\u5728\u306e Java \u3060\u3068\u4e0b\u8a18\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 package jp.yucchi.factorymethodpattern4oldjava; public interface Airplane { public void pilot(); public void\u2026<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[17],"class_list":["post-1028","post","type-post","status-publish","format-standard","hentry","category-java","tag-java"],"_links":{"self":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1028","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1028"}],"version-history":[{"count":4,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1028\/revisions"}],"predecessor-version":[{"id":1032,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1028\/revisions\/1032"}],"wp:attachment":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1028"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1028"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1028"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}