{"id":31661,"date":"2023-05-20T20:34:13","date_gmt":"2023-04-16T03:45:35","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%8e%a9java%e7%9a%84function%e5%8a%9f%e8%83%bd\/"},"modified":"2024-04-30T05:10:08","modified_gmt":"2024-04-29T21:10:08","slug":"%e7%8e%a9java%e7%9a%84function%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%8e%a9java%e7%9a%84function%e5%8a%9f%e8%83%bd\/","title":{"rendered":"\u73a9Java\u7684Function\u529f\u80fd"},"content":{"rendered":"<p>\u8fd9\u7bc7\u6587\u7ae0\u662f\u5bf9\u67d0\u53cb\u4eba\u7684\u5e16\u5b50\u95ed\u5305\u8fdb\u884c\u7684\u4e00\u4e2a\u5bf9Swift\u7684\u81f4\u656c\uff0c\u4ed6\u5728\u90a3\u7bc7\u6587\u7ae0\u4e2d\u901a\u8fc7Go\u8bed\u8a00\u5199\u4e86\u4e00\u4e9b\u9ad8\u9636\u51fd\u6570\u6765\u5a31\u4e50\u3002<\/p>\n<p>\u6b63\u5982\u539f\u6587\u4e2d\u6240\u8ff0\uff0c\u8fd9\u7eaf\u7cb9\u53ea\u662f\u4e00\u79cd\u4e50\u8da3\uff0c\u5bf9\u4e8e\u5bfb\u6c42\u6709\u7528\u5b9e\u73b0\u7684\u4eba\u6765\u8bf4\uff0c\u8bf7\u70b9\u51fb\u6d4f\u89c8\u5668\u7684\u8fd4\u56de\u6309\u94ae\u3002<\/p>\n<p>\uff08\u6ce8\uff09\u9274\u4e8e\u6211\u5728\u6df1\u591c\u7684\u60c5\u7eea\u4e0b\u5199\u4f5c\uff0c\u53ef\u80fd\u4f1a\u6709\u4e00\u4e9b\u5947\u602a\u7684\u5730\u65b9\uff0c\u8bf7\u7406\u89e3\u4e00\u4e0bm(_ _)m<\/p>\n<h1>\u672c\u9898 t\u00ed)<\/h1>\n<p>hoge1 ~ 4 \u53ef\u4ee5\u4f20\u9012\u8fdb\u4e00\u6b65\u7684\u53c2\u6570\uff0c\u56e0\u4e3a\u5176\u8fd4\u56de\u503c\u4e3a Function\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ Integer\u3092\u3068\u308a\u3001Integer\u3092\u8fd4\u3059<\/span>\r\n<span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Integer<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">hoge1<\/span> <span class=\"o\">=<\/span> <span class=\"n\">value<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"n\">value<\/span><span class=\"o\">;<\/span>\r\n<span class=\"n\">hoge1<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ return 1<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ Integer\u3092\u3068\u308a\u3001Integer\u3092\u3068\u308aInteger\u3092\u8fd4\u3059\u95a2\u6570\u3092\u8fd4\u3059<\/span>\r\n<span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Integer<\/span><span class=\"o\">&gt;&gt;<\/span> <span class=\"n\">hoge2<\/span> <span class=\"o\">=<\/span> <span class=\"n\">value<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">(<\/span><span class=\"n\">a<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"n\">value<\/span> <span class=\"o\">+<\/span> <span class=\"n\">a<\/span><span class=\"o\">);<\/span>\r\n<span class=\"n\">hoge2<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">2<\/span><span class=\"o\">);<\/span>    <span class=\"c1\">\/\/ return 3<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/\/ Integer\u3092\u3068\u308a\u3001Integer\u3092\u3068\u308aInteger\u3092\u3068\u308aInteger\u3092\u8fd4\u3059\u95a2\u6570\u3092\u8fd4\u3059<\/span>\r\n<span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Integer<\/span><span class=\"o\">&gt;&gt;&gt;<\/span> <span class=\"n\">hoge3<\/span> <span class=\"o\">=<\/span> <span class=\"n\">value<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">(<\/span><span class=\"n\">a<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">(<\/span><span class=\"n\">b<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"n\">value<\/span> <span class=\"o\">+<\/span> <span class=\"n\">a<\/span> <span class=\"o\">+<\/span> <span class=\"n\">b<\/span><span class=\"o\">));<\/span>\r\n<span class=\"n\">hoge3<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">2<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">4<\/span><span class=\"o\">);<\/span>   <span class=\"c1\">\/\/ return 7<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ Integer\u3092\u3068\u308a\u3001Integer\u3092\u3068\u308aInteger\u3092\u3068\u308aInteger\u3092\u3068\u308aInteger\u3092\u8fd4\u3059\u95a2\u6570\u3092\u8fd4\u3059<\/span>\r\n<span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Integer<\/span><span class=\"o\">&gt;&gt;&gt;&gt;<\/span> <span class=\"n\">hoge4<\/span> <span class=\"o\">=<\/span> <span class=\"n\">value<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">(<\/span><span class=\"n\">a<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">(<\/span><span class=\"n\">b<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">(<\/span><span class=\"n\">c<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"n\">value<\/span> <span class=\"o\">+<\/span> <span class=\"n\">a<\/span> <span class=\"o\">+<\/span> <span class=\"n\">b<\/span> <span class=\"o\">+<\/span> <span class=\"n\">c<\/span><span class=\"o\">)));<\/span>\r\n<span class=\"n\">hoge4<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">2<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">4<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">8<\/span><span class=\"o\">);<\/span>  <span class=\"c1\">\/\/ return 15<\/span>\r\n<\/code><\/pre>\n<hr \/>\n<p>hoge5\uff5e7\u9700\u8981\u9884\u5148\u4f20\u9012\u5904\u7406\uff0c\u56e0\u4e3a\u5b83\u4eec\u7684\u53c2\u6570\u662f\u95ed\u5305<br \/>\n\uff08hoge5\uff5e7\u4f7f\u7528\u4e86hoge1\uff5e4\u7684\u8fd4\u56de\u503c\uff0c\u56e0\u4e3a\u5b83\u4eec\u7684\u53c2\u6570\u662f\u51fd\u6570\uff09<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ Integer\u3092\u3068\u308aInteger\u3092\u8fd4\u3059\u95a2\u6570\u3092\u3068\u308a\u3001Integer\u3092\u3068\u308aInteger\u3092\u3068\u308aInteger\u3092\u3068\u308aInteger\u3092\u8fd4\u3059\u95a2\u6570\u3092\u8fd4\u3059<\/span>\r\n<span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Integer<\/span><span class=\"o\">&gt;,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Integer<\/span><span class=\"o\">&gt;&gt;&gt;&gt;<\/span> <span class=\"n\">hoge5<\/span> <span class=\"o\">=<\/span> <span class=\"n\">hoge<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">(<\/span><span class=\"n\">a<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">(<\/span><span class=\"n\">b<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">(<\/span><span class=\"n\">c<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"n\">hoge<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">a<\/span> <span class=\"o\">+<\/span> <span class=\"n\">b<\/span> <span class=\"o\">+<\/span> <span class=\"n\">c<\/span><span class=\"o\">))));<\/span>\r\n\r\n<span class=\"n\">hoge5<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">hoge1<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">2<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">4<\/span><span class=\"o\">);<\/span>  <span class=\"c1\">\/\/ return 7<\/span>\r\n<span class=\"n\">hoge5<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">hoge2<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">)).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">2<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">4<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">8<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ return 15<\/span>\r\n<span class=\"n\">hoge5<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">hoge3<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">2<\/span><span class=\"o\">)).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">4<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">8<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">16<\/span><span class=\"o\">);<\/span>   <span class=\"c1\">\/\/ return 31<\/span>\r\n<span class=\"n\">hoge5<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">hoge4<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">2<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">4<\/span><span class=\"o\">)).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">8<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">16<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">32<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ return 63<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ Integer\u3092\u3068\u308aInteger\u3092\u3068\u308aInteger\u3092\u8fd4\u3059\u95a2\u6570\u3092\u3068\u308a\u3001Integer\u3092\u3068\u308aInteger\u3092\u3068\u308aInteger\u3092\u3068\u308aInteger\u3092\u8fd4\u3059\u95a2\u6570\u3092\u8fd4\u3059<\/span>\r\n<span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Integer<\/span><span class=\"o\">&gt;&gt;,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Integer<\/span><span class=\"o\">&gt;&gt;&gt;&gt;<\/span> <span class=\"n\">hoge6<\/span> <span class=\"o\">=<\/span> <span class=\"n\">hoge<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">(<\/span><span class=\"n\">a<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">(<\/span><span class=\"n\">b<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">(<\/span><span class=\"n\">c<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"n\">hoge<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">a<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">b<\/span> <span class=\"o\">+<\/span> <span class=\"n\">c<\/span><span class=\"o\">))));<\/span>\r\n\r\n<span class=\"n\">hoge6<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">hoge2<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">2<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">4<\/span><span class=\"o\">);<\/span>  <span class=\"c1\">\/\/ return 7<\/span>\r\n<span class=\"n\">hoge6<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">hoge3<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">)).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">2<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">4<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">8<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ return 15<\/span>\r\n<span class=\"n\">hoge6<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">hoge4<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">2<\/span><span class=\"o\">)).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">4<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">8<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">16<\/span><span class=\"o\">);<\/span>   <span class=\"c1\">\/\/ return 31<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ Integer\u3092\u3068\u308aInteger\u3092\u3068\u308aInteger\u3092\u3068\u308aInteger\u3092\u8fd4\u3059\u95a2\u6570\u3092\u3068\u308a\u3001Integer\u3092\u3068\u308aInteger\u3092\u3068\u308aInteger\u3092\u3068\u308aInteger\u3092\u8fd4\u3059\u95a2\u6570\u3092\u8fd4\u3059<\/span>\r\n<span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Integer<\/span><span class=\"o\">&gt;&gt;&gt;,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Function<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Integer<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Integer<\/span><span class=\"o\">&gt;&gt;&gt;&gt;<\/span> <span class=\"n\">hoge7<\/span> <span class=\"o\">=<\/span> <span class=\"n\">hoge<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">(<\/span><span class=\"n\">a<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">(<\/span><span class=\"n\">b<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">(<\/span><span class=\"n\">c<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"n\">hoge<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">a<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">b<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">c<\/span><span class=\"o\">))));<\/span>\r\n\r\n<span class=\"n\">hoge7<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">hoge3<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">2<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">4<\/span><span class=\"o\">);<\/span>  <span class=\"c1\">\/\/ return 7<\/span>\r\n<span class=\"n\">hoge7<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">hoge4<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">)).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">2<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">4<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">8<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ return 15<\/span>\r\n<\/code><\/pre>\n<hr \/>\n<p>\u5f53\u7136\u53ef\u4ee5\u5c06\u5177\u6709\u8fd4\u56de\u503c\u7684\u51fd\u6570\u76f4\u63a5\u4fdd\u7559\u4e0b\u6765\u3002<br \/>\n\u867d\u7136\u4f20\u9012\u4e86\u6570\u5b57\uff0c\u4f46\u5b9e\u9645\u4e0a\u5e76\u6ca1\u6709\u8fdb\u884c\u8ba1\u7b97\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">hoge7<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">hoge3<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ return Function<\/span>\r\n<span class=\"n\">hoge7<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">hoge3<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">);<\/span>    <span class=\"c1\">\/\/ return Function<\/span>\r\n<span class=\"n\">hoge7<\/span><span class=\"o\">.<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"n\">hoge3<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">).<\/span><span class=\"na\">apply<\/span><span class=\"o\">(<\/span><span class=\"mi\">2<\/span><span class=\"o\">);<\/span>   <span class=\"c1\">\/\/ return Function<\/span>\r\n<\/code><\/pre>\n<p>\u7ee7\u7eed\u5faa\u73af\uff0c\u5c06\u6240\u6709\u6570\u76f8\u52a0&#8230;<br \/>\n\u5c31\u50cf\u4f60\u6240\u770b\u5230\u7684\uff0cJava8\u4e4b\u524d\u6211\u4eec\u4f7f\u7528for\u5faa\u73af\u8fdb\u884c\u8ba1\u7b97\uff01<br \/>\n\u73b0\u5728\u5f00\u59cb\u6709\u70b9\u56f0\u4e86&#8230;w<\/p>\n<pre class=\"post-pre\"><code><span class=\"kt\">int<\/span> <span class=\"n\">sum<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">IntStream<\/span><span class=\"o\">.<\/span><span class=\"na\">rangeClosed<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span> <span class=\"mi\">100<\/span><span class=\"o\">).<\/span><span class=\"na\">sum<\/span><span class=\"o\">();<\/span>    <span class=\"c1\">\/\/ return 5050<\/span>\r\n<\/code><\/pre>\n<hr \/>\n<p>\u63a5\u53d7\u4e00\u4e2a\u53d6T\u548cT\u5e76\u8fd4\u56deT\u7684\u95ed\u5305\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u63a5\u53d7T\u548cT\u5e76\u8fd4\u56deT\u7684\u95ed\u5305\uff08\u660e\u5929\u4e5f\u53ef\u4ee5\u5566&#8230;ww\uff09<\/p>\n<hr \/>\n<p>\u901a\u8fc7\u5faa\u73af\u83b7\u53d6\u6700\u5927\u503c\uff08\u5c1d\u8bd5\u7528stream\u5904\u7406\u65b9\u6cd5\u89e3\u51b3&#8230;\uff09<\/p>\n<h1>\u6700\u540e<\/h1>\n<p>\u6240\u6709\u4ed4\u7ec6\u9605\u8bfb\u8fc7\u7684\u4eba\uff0c\u8f9b\u82e6\u4e86\u3002\u7531\u4e8e\u6700\u540e\u7cbe\u529b\u4e0d\u8db3\uff0c\u6211\u4eec\u4f1a\u5728\u4e0b\u6b21\u518d\u8bf4&#8230;<br \/>\n\u8bf7\u6ce8\u610f\u5728\u5b9e\u9645\u4ea7\u54c1\u4e2d\u4e0d\u8981\u5d4c\u5165\u50cf\u4e0a\u8ff0\u90a3\u6837\u96be\u4ee5\u9605\u8bfb\u7684\u70c2\u4ee3\u7801\u3002<\/p>\n<p>\u5b66\u4e60\u51fd\u6570\u5f0f\u7f16\u7a0b\u521a\u5f00\u59cb\u53ef\u80fd\u4f1a\u611f\u5230\u56f0\u96be\uff0c\u4f46\u4e00\u65e6\u7406\u89e3\u4e86\u5c31\u4f1a\u611f\u5230\u6109\u5feb\u3002\u9996\u5148\uff0c\u6211\u6253\u7b97\u5c1d\u8bd5\u7528Java\u8fdb\u884c\u51fd\u6570\u5f0f\u7f16\u7a0b\uff0c\u5e76\u6253\u7b97\u9605\u8bfb\u5f88\u68d2\u7684H\u672c\u3002<\/p>\n<p>\u8865\u5145\uff1a\u5728Java\u4e2d\uff0c\u5bf9\u4e8eLambda\u8868\u8fbe\u5f0f\uff0c\u6700\u4f73\u7684\u6362\u884c\u4f4d\u7f6e\u5e94\u8be5\u662f\u54ea\u91cc\u5462\uff1f\uff08\uff65\uff65?\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u7bc7\u6587\u7ae0\u662f\u5bf9\u67d0\u53cb\u4eba\u7684\u5e16\u5b50\u95ed\u5305\u8fdb\u884c\u7684\u4e00\u4e2a\u5bf9Swift\u7684\u81f4\u656c\uff0c\u4ed6\u5728\u90a3\u7bc7\u6587\u7ae0\u4e2d\u901a\u8fc7Go\u8bed\u8a00\u5199\u4e86\u4e00\u4e9b\u9ad8\u9636\u51fd\u6570\u6765\u5a31\u4e50\u3002  [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31661","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u73a9Java\u7684Function\u529f\u80fd - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u73a9java\u7684function\u529f\u80fd\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u73a9Java\u7684Function\u529f\u80fd\" \/>\n<meta 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