{"id":964,"date":"2021-02-23T00:05:45","date_gmt":"2021-02-22T16:05:45","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/java\/?p=964"},"modified":"2021-02-23T18:01:28","modified_gmt":"2021-02-23T10:01:28","slug":"%e6%96%b9%e6%b3%95%e5%bc%95%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/java\/post-964.html","title":{"rendered":"\u65b9\u6cd5\u5f15\u7528"},"content":{"rendered":"\n<p>\u65b9\u6cd5\u5f15\u7528\u662f java 8 \u7684\u65b0\u7279\u6027<\/p>\n\n\n\n<p>\u65b9\u6cd5\u5f15\u7528\uff0c\u80fd\u7b80\u5316 lambda \u8868\u8fbe\u5f0f\uff0c<\/p>\n\n\n\n<p>\u8868\u793a\u5f15\u7528\u522b\u7684\u65b9\u6cd5\uff0c\u6765\u4f5c\u4e3a\u65b9\u6cd5\u7684\u5b9e\u73b0\uff0c\u53c2\u6570\u4e0e\u8fd4\u56de\u503c\u4e0e\u63a5\u53e3\u76f8\u540c<\/p>\n\n\n\n<h5>1.\u65b9\u6cd5\u5f15\u7528\u7684\u51e0\u79cd\u5f62\u5f0f<\/h5>\n\n\n\n<ul><li>\u7c7b\u540d\u53ca\u5176\u9759\u6001\u65b9\u6cd5\uff0cclass::method<\/li><li>\u6784\u9020\u5668\u5f15\u7528\uff0cobjectName::new<\/li><li>\u5bf9\u8c61\u53ca\u5176\u65b9\u6cd5\uff0c object::method<\/li><li>\u7236\u7c7b\u65b9\u6cd5\uff0csuper::method<\/li><li>\u672c\u5bf9\u8c61\u65b9\u6cd5\uff0cthis::method<\/li><\/ul>\n\n\n\n<h5>2.\u4ee3\u7801\u5b9e\u4f8b<\/h5>\n\n\n\n<p>1.\u9759\u6001\u65b9\u6cd5\u5f15\u7528\uff0c\u4f7f\u7528\u5df2\u6709\u7684\u9759\u6001\u65b9\u6cd5\u5904\u7406lambda<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.util.Arrays;\npublic class Demo {\n\tpublic static void main(String&#91;] args) {\n\t\tArrays.asList(\"a\", \"c\", \"b\").forEach(s -> System.out.println(s));\n\t\tArrays.asList(\"a\", \"c\", \"b\").forEach(System.out::println);\n\t}\n}<\/code><\/pre>\n\n\n\n<p>2.\u6784\u9020\u5668\u5f15\u7528\uff0c\u76f8\u5f53\u4e8e new class\uff08\u53ef\u4ee5\u662f\u6570\u7ec4\uff0c\u5982 int[]::new)<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.util.function.Supplier;\npublic class Demo {\n\tpublic static void main(String&#91;] args) {\n\t\tSupplier&lt;List&lt;String&gt;&gt; supplier1 = () -&gt; new  ArrayList&lt;String&gt;();\n\t\tSupplier&lt;List&lt;String&gt;&gt; supplier2 = ArrayList&lt;String&gt;::new;\n\t}\n}<\/code><\/pre>\n\n\n\n<p>3.\u5bf9\u8c61\u7684\u65b9\u6cd5\u5f15\u7528\uff0c\u4f7f\u7528\u5df2\u5b58\u5728\u5bf9\u8c61\u7684\u65b9\u6cd5\u5904\u7406<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.util.Arrays;\n\npublic class Demo\n{\n    public static void main(String&#91;] args)\n    {\n    \tDemo object = new Demo();\n        Arrays.asList(\"a\", \"c\", \"b\").forEach(s -> object.println(s));\n        Arrays.asList(\"a\", \"c\", \"b\").forEach(object::println);\n    }\n    \n    public void println(String s)\n    {\n        System.out.println(s);\n    }\n}<\/code><\/pre>\n\n\n\n<p>4.\u7236\u7c7b\u65b9\u6cd5\u8c03\u7528\uff0c\u8c01\u8c03\u7528\u6b64\u65b9\u6cd5\uff0c\u5c31\u662f\u8c01\u7684super\uff0csuper::method<\/p>\n\n\n\n<p>5.\u672c\u5bf9\u8c61\u7684\u65b9\u6cd5\u8c03\u7528\uff0c\u8c01\u8c03\u7528\u6b64\u65b9\u6cd5\uff0cthis \u5c31\u662f\u8c01\uff0cthis::method <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u65b9\u6cd5\u5f15\u7528\u662f java 8 \u7684\u65b0\u7279\u6027 \u65b9\u6cd5\u5f15\u7528\uff0c\u80fd\u7b80\u5316 lambda \u8868\u8fbe\u5f0f\uff0c \u8868\u793a\u5f15\u7528\u522b\u7684\u65b9\u6cd5\uff0c\u6765\u4f5c\u4e3a\u65b9\u6cd5\u7684\u5b9e&hellip; <a href=\"https:\/\/www.52dixiaowo.com\/java\/post-964.html\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">\u65b9\u6cd5\u5f15\u7528<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[29],"tags":[],"_links":{"self":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/964"}],"collection":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/comments?post=964"}],"version-history":[{"count":0,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/964\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/media?parent=964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/categories?post=964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/tags?post=964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}