{"id":83,"date":"2024-10-02T22:50:56","date_gmt":"2024-10-02T15:50:56","guid":{"rendered":"https:\/\/megadump.ru\/?p=83"},"modified":"2024-12-22T15:42:43","modified_gmt":"2024-12-22T08:42:43","slug":"solid-lsp","status":"publish","type":"post","link":"https:\/\/phpha.ru\/?p=83","title":{"rendered":"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 SOLID (\u0447\u0430\u0441\u0442\u044c 3). \u041f\u0440\u0438\u043d\u0446\u0438\u043f \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0411\u0430\u0440\u0431\u0430\u0440\u044b \u041b\u0438\u0441\u043a\u043e\u0432"},"content":{"rendered":"\n<p>\u0411\u0443\u043a\u0432\u0430 L \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442 &#171;\u041f\u0440\u0438\u043d\u0446\u0438\u043f \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0411\u0430\u0440\u0431\u0430\u0440\u044b \u041b\u0438\u0441\u043a\u043e\u0432&#187; (&#171;Liskov Substitution Principle&#187; \u0438\u043b\u0438 &#171;LSP&#187;). \u0418 \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442 \u0447\u0442\u043e \u0434\u043e\u043b\u0436\u043d\u0430 \u0431\u044b\u0442\u044c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0432\u043c\u0435\u0441\u0442\u043e \u0431\u0430\u0437\u043e\u0432\u043e\u0433\u043e (\u0440\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u0441\u043a\u043e\u0433\u043e) \u0442\u0438\u043f\u0430 (\u043a\u043b\u0430\u0441\u0441\u0430) \u043f\u043e\u0434\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u043b\u044e\u0431\u043e\u0439 \u0435\u0433\u043e \u043f\u043e\u0434\u0442\u0438\u043f (\u043a\u043b\u0430\u0441\u0441-\u043d\u0430\u0441\u043b\u0435\u0434\u043d\u0438\u043a), \u043f\u0440\u0438 \u044d\u0442\u043e\u043c \u0440\u0430\u0431\u043e\u0442\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b \u043d\u0435 \u0434\u043e\u043b\u0436\u043d\u0430 \u0438\u0437\u043c\u0435\u043d\u0438\u0442\u044c\u0441\u044f.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>\u0414\u0440\u0443\u0433\u0438\u043c\u0438 \u0441\u043b\u043e\u0432\u0430\u043c\u0438: \u0435\u0441\u043b\u0438 \u0432 \u043a\u043e\u0434\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b \u0411\u0430\u0437\u043e\u0432\u044b\u0439 \u043a\u043b\u0430\u0441\u0441 \u0437\u0430\u043c\u0435\u043d\u0438\u0442\u044c \u043d\u0430 \u0435\u0433\u043e \u041d\u0430\u0441\u043b\u0435\u0434\u043d\u0438\u043a\u0430, \u0442\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 \u0434\u043e\u043b\u0436\u043d\u0430 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c, \u0442\u0430\u043a \u043a\u0430\u043a \u0432 \u041d\u0430\u0441\u043b\u0435\u0434\u043d\u0438\u043a\u0435 \u0435\u0441\u0442\u044c \u0432\u0441\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0431\u044b\u043b\u0438 \u0432 \u0411\u0430\u0437\u043e\u0432\u043e\u043c. \u0412 \u0411\u0430\u0437\u043e\u0432\u044b\u0439 \u043a\u043b\u0430\u0441\u0441 \u043d\u0443\u0436\u043d\u043e \u0432\u044b\u043d\u043e\u0441\u0438\u0442\u044c \u0442\u043e\u043b\u044c\u043a\u043e \u043e\u0431\u0449\u0443\u044e \u043b\u043e\u0433\u0438\u043a\u0443, \u043a\u043e\u0442\u043e\u0440\u0443\u044e \u043d\u0430\u0441\u043b\u0435\u0434\u043d\u0438\u043a\u0438 \u0431\u0443\u0434\u0443\u0442 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u044b\u0432\u0430\u0442\u044c. \u041d\u0430\u0441\u043b\u0435\u0434\u043d\u0438\u043a\u043e\u0432 \u0441\u043e\u0437\u0434\u0430\u0435\u043c \u0442\u043e\u043b\u044c\u043a\u043e \u0442\u043e\u0433\u0434\u0430, \u043a\u043e\u0433\u0434\u0430 \u043e\u043d\u0438 \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e \u0441\u043e\u0431\u0438\u0440\u0430\u044e\u0442\u0441\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u043b\u043e\u0433\u0438\u043a\u0443 \u0411\u0430\u0437\u043e\u0432\u043e\u0433\u043e \u043a\u043b\u0430\u0441\u0441\u0430 \u0431\u0435\u0437 \u043f\u0440\u043e\u0431\u043b\u0435\u043c.<\/p>\n\n\n\n<p>\u0411\u0430\u0440\u0431\u0430\u0440\u0430 \u041b\u0438\u0441\u043a\u043e\u0432 &#8212; \u044d\u0442\u043e \u0430\u043c\u0435\u0440\u0438\u043a\u0430\u043d\u0441\u043a\u0438\u0439 \u0443\u0447\u0451\u043d\u044b\u0439 \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0442\u0438\u043a\u0438.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u041a\u0430\u043a \u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u044c \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u0443 LSP<\/h2>\n\n\n\n<p>\u041f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u043d\u044b\u0439 \u043a\u043b\u0430\u0441\u0441 \u0434\u043e\u043b\u0436\u0435\u043d \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u0442\u044c \u0432\u0441\u0435 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u0431\u0430\u0437\u043e\u0432\u043e\u0433\u043e \u043a\u043b\u0430\u0441\u0441\u0430 \u0438 \u043d\u0435 \u0438\u0437\u043c\u0435\u043d\u044f\u0442\u044c \u0438\u0445 \u0441\u0435\u043c\u0430\u043d\u0442\u0438\u043a\u0443. \u041d\u0443\u0436\u043d\u043e \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u043e\u0431\u044a\u0435\u043a\u0442\u044b \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u043d\u044b\u0445 \u043a\u043b\u0430\u0441\u0441\u043e\u0432 \u043c\u043e\u0433\u043b\u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e \u0437\u0430\u043c\u0435\u043d\u044f\u0442\u044c \u0434\u0440\u0443\u0433 \u0434\u0440\u0443\u0433\u0430 \u0438 \u0431\u0430\u0437\u043e\u0432\u044b\u0439 \u043a\u043b\u0430\u0441\u0441.<\/p>\n\n\n\n<p><strong>\u041f\u0440\u0438\u043c\u0435\u0440 \u0441 \u043d\u0430\u0440\u0443\u0448\u0435\u043d\u0438\u043c \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u0430<\/strong>:<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-java\">class Shape\n{\n\u00a0 \u00a0 public float area() {\n\u00a0 \u00a0 \u00a0 \u00a0 return 0;\n\u00a0 \u00a0 }\n}\n\nclass Circle extends Shape\n{\n\u00a0 \u00a0 private float radius;\n\n\u00a0 \u00a0 public float area() {\n\u00a0 \u00a0 \u00a0 \u00a0 return Math.PI\u00a0* radius * radius;\n\u00a0 \u00a0 }\n}\n\nclass Square extends Shape\n{\n\u00a0 \u00a0 private float side;\n\n\u00a0 \u00a0 public float area() {\n\u00a0 \u00a0 \u00a0 \u00a0 return side * side;\n\u00a0 \u00a0 }\n}<\/code><\/pre>\n\n\n\n<p><strong>\u041f\u0440\u0438\u043c\u0435\u0440 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u0430<\/strong>:<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-java\">abstract class Shape {\n    public abstract double area();\n}\n\nclass Circle extends Shape {\n    private double radius;\n\n    @Override\n    public double area() {\n        return Math.PI * radius * radius;\n    }\n}\n\nclass Square extends Shape {\n    private double side;\n\n    @Override\n    public double area() {\n        return side * side;\n    }\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u0411\u0443\u043a\u0432\u0430 L \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442 &#171;\u041f\u0440\u0438\u043d\u0446\u0438\u043f \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0411\u0430\u0440\u0431\u0430\u0440\u044b \u041b\u0438\u0441\u043a\u043e\u0432&#187; (&#171;Liskov Substitution Principle&#187; \u0438\u043b\u0438 &#171;LSP&#187;). \u0418 \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442 \u0447\u0442\u043e \u0434\u043e\u043b\u0436\u043d\u0430 \u0431\u044b\u0442\u044c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0432\u043c\u0435\u0441\u0442\u043e \u0431\u0430\u0437\u043e\u0432\u043e\u0433\u043e (\u0440\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u0441\u043a\u043e\u0433\u043e) \u0442\u0438\u043f\u0430 (\u043a\u043b\u0430\u0441\u0441\u0430) \u043f\u043e\u0434\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u043b\u044e\u0431\u043e\u0439 \u0435\u0433\u043e \u043f\u043e\u0434\u0442\u0438\u043f (\u043a\u043b\u0430\u0441\u0441-\u043d\u0430\u0441\u043b\u0435\u0434\u043d\u0438\u043a), \u043f\u0440\u0438 \u044d\u0442\u043e\u043c \u0440\u0430\u0431\u043e\u0442\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b \u043d\u0435 \u0434\u043e\u043b\u0436\u043d\u0430 \u0438\u0437\u043c\u0435\u043d\u0438\u0442\u044c\u0441\u044f.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[40],"tags":[12,8],"class_list":["post-83","post","type-post","status-publish","format-standard","hentry","category-base","tag-lsp","tag-solid"],"_links":{"self":[{"href":"https:\/\/phpha.ru\/index.php?rest_route=\/wp\/v2\/posts\/83","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phpha.ru\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phpha.ru\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phpha.ru\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/phpha.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=83"}],"version-history":[{"count":5,"href":"https:\/\/phpha.ru\/index.php?rest_route=\/wp\/v2\/posts\/83\/revisions"}],"predecessor-version":[{"id":172,"href":"https:\/\/phpha.ru\/index.php?rest_route=\/wp\/v2\/posts\/83\/revisions\/172"}],"wp:attachment":[{"href":"https:\/\/phpha.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=83"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phpha.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=83"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phpha.ru\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=83"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}