{"id":31341,"date":"2023-10-10T21:51:41","date_gmt":"2023-02-18T08:41:10","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8java6%e6%9d%a5%e8%bf%90%e8%a1%8c%e5%9f%ba%e4%ba%8ejava8%e5%bc%80%e5%8f%91%e7%9a%84%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e3%80%82\/"},"modified":"2025-08-12T23:32:23","modified_gmt":"2025-08-12T15:32:23","slug":"%e4%bd%bf%e7%94%a8java6%e6%9d%a5%e8%bf%90%e8%a1%8c%e5%9f%ba%e4%ba%8ejava8%e5%bc%80%e5%8f%91%e7%9a%84%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8java6%e6%9d%a5%e8%bf%90%e8%a1%8c%e5%9f%ba%e4%ba%8ejava8%e5%bc%80%e5%8f%91%e7%9a%84%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Java6\u6765\u8fd0\u884c\u57fa\u4e8eJava8\u5f00\u53d1\u7684\u5e94\u7528\u7a0b\u5e8f"},"content":{"rendered":"<p>\u56e0\u4e3a\u6709\u4e00\u9879\u5de5\u4f5c\u662f\u4fee\u6539\u4ee5Java8\u5f00\u53d1\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f7f\u5176\u80fd\u591f\u5728Java6\u73af\u5883\u4e0b\u8fd0\u884c\uff0c\u6211\u89c9\u5f97\u8fd9\u5f88\u4e0d\u5bfb\u5e38\uff0c\u6240\u4ee5\u6253\u7b97\u603b\u7ed3\u4e00\u4e0b\u3002<br \/>\n\u6211\u89c9\u5f97\u901a\u5e38\u60c5\u51b5\u4e0b\u662f\u4e0d\u4f1a\u505a\u8fd9\u79cd\u4e8b\u60c5\u7684&#8230;<br \/>\n\uff08\u800c\u4e14\u6211\u4e5f\u4e0d\u60f3\u505a\u8fd9\u6837\u7684\u5de5\u4f5c\u54c8\u54c8\uff09<\/p>\n<h1>\u80cc\u666f\uff1a\u6211\u4e4b\u524d\u5728\u53e6\u4e00\u4e2a\u9879\u76ee\u4e2d\u4f7f\u7528\u8fc7\u4e00\u4e2a\u57fa\u4e8eRestful\u7684Java8\u5e94\u7528\u7a0b\u5e8f\uff0c\u73b0\u5728\u6211\u60f3\u5c06\u8be5\u5e94\u7528\u7a0b\u5e8f\u5e94\u7528\u5230\u6211\u6240\u5728\u7684\u9879\u76ee\u4e2d\u3002\u4f46\u662f\uff0c\u6211\u53d1\u73b0\u8be5\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u90e8\u7f72\u5728Red Hat Enterprise Linux 5.1\u670d\u52a1\u5668\u4e0a&#8230;<\/p>\n<p>\u5e0c\u671b\u5347\u7ea7\u670d\u52a1\u5668\u7684\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c\uff0c\u4f46\u7531\u4e8e\u5176\u4ed6\u5e94\u7528\u6b63\u5728\u8fd0\u884c\uff0c\u6240\u4ee5\u4e0d\u53ef\u80fd\u5b9e\u73b0\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5fc5\u9808\u5c07Java 8\u964d\u7d1a\u70baJava 6\u3002<\/p>\n<p>\u636e\u7ef4\u57fa\u767e\u79d1\uff0c\u7ea2\u5e3d\u4f01\u4e1a\u7248Linux 5.1\u662f\u57282007\u5e7411\u67087\u65e5\u53d1\u5e03\u7684\uff0c\u5df2\u7ecf\u670910\u5e74\u7684\u5386\u53f2\u4e86\u3002<br \/>\n\u6807\u51c6\u652f\u6301\u5df2\u7ecf\u57282017\u5e743\u670831\u65e5\u5230\u671f\uff0c\u56e0\u6b64\u5df2\u7ecf\u7ed3\u675f\u6807\u51c6\u652f\u6301\u671f\u9650\u3002<br \/>\n\u4f46\u662f\u5ef6\u957f\u652f\u6301\u671f\u9650\u5df2\u7ecf\u5ef6\u957f\u81f32020\u5e7411\u670830\u65e5\u3002<\/p>\n<h1>Java8\u4e2d\u7684\u89c4\u8303\u66f4\u6539\u548c\u65b0\u589e\u8ba9\u6211\u4eec\u6765\u5217\u4e3e\u4e00\u4e9b\u4ee3\u8868\u6027\u7684Java8\u65b0\u589e\u529f\u80fd\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Lambda\u5f0f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30e1\u30bd\u30c3\u30c9\u53c2\u7167<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Stream API<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Functional interfaces<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">try-with-resources<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Interface Default,static\u30e1\u30bd\u30c3\u30c9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u65e5\u6642API\uff08LocalDateTime\u306a\u3069\uff09<\/ul>\n<p>\u9664\u4e86\u8fd9\u4e9b\u4e4b\u5916\uff0c\u8fd8\u6dfb\u52a0\u4e86\u8bb8\u591a\u5176\u4ed6\u529f\u80fd\u3002\u8bf7\u67e5\u770b\u53d1\u5e03\u8bf4\u660e\u4ee5\u4e86\u89e3\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<p>Java8\u5e26\u6765\u4e86\u5f88\u591aAPI\u548c\u5199\u6cd5\u7684\u6539\u53d8\uff0c\u5bf9\u4e8eJava\u6765\u8bf4\uff0c\u53d8\u5316\u975e\u5e38\u5927\u3002<\/p>\n<h1>Java\u56de\u6eaf\u5de5\u5177Java\u56de\u6eaf\u5de5\u5177\u662f\u4e00\u79cd\u7528\u4e8e\u5c06Java\u7c7b\u6587\u4ef6\u4ece\u67d0\u4e2a\u7248\u672c\u8f6c\u6362\u5230\u65e7\u7248\u672c\u7684\u7a0b\u5e8f\uff0c\u672c\u6b21\u4f7f\u7528\u4e86\u4ee5\u4e0b\u4e24\u4e2a\u5de5\u5177\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Retrolambda<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">streamsupport<\/ul>\n<h2>\u9006\u5411\u5170\u5e03\u8fbeRetroLambda\u662f\u4e00\u4e2a\u7528\u4e8eMaven\u548cGradle\u7684\u63d2\u4ef6\uff0c\u5728\u6784\u5efa\u65f6\u53ef\u4ee5\u5c06Java8\u7684\u4ee3\u7801\u8f6c\u6362\u4e3a\u8f83\u4f4e\u7248\u672c\u7684\u4ee3\u7801\u3002\u5728\u6784\u5efa\u540e\u751f\u6210\u7684class\u6587\u4ef6\u4e2d\uff0c\u9664\u4e86XXX.class\u4e4b\u5916\uff0c\u8fd8\u4f1a\u4ea7\u751f\u540d\u4e3aXXX$$Lambda$9.class\u7684\u6587\u4ef6\uff0c\u8fd9\u8868\u660eJava 8\u7684Lambda\u8868\u8fbe\u5f0f\u7b49\u4ee3\u7801\u662f\u4ee5\u5355\u72ec\u7684\u7c7b\u6587\u4ef6\u8fdb\u884c\u5904\u7406\u7684\u3002<\/p>\n<p>\u4ee5\u4e0b\u662fRetrolambda\u6240\u652f\u6301\u7684\u5185\u5bb9\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">lambda\u5f0f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30e1\u30bd\u30c3\u30c9\u53c2\u7167<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">try-with-resources<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Interface Default,static\u30e1\u30bd\u30c3\u30c9\uff08\u9650\u5b9a\u30b5\u30dd\u30fc\u30c8\uff09<\/ul>\n<p>\u65b0\u7684\u63cf\u8ff0\u51e0\u4e4e\u5168\u90e8\u90fd\u6709\u76f8\u5e94\u7684\u5bf9\u5e94\u3002<\/p>\n<h3>\u4f7f\u7528\u65b9\u6cd5\u5728\u8fd9\u91cc\u6211\u4eec\u5c06\u89e3\u91caMaven\u7684\u4f7f\u7528\u65b9\u6cd5\u3002\u5173\u4e8eGradle\u7684\u4f7f\u7528\u65b9\u6cd5\u8bf7\u53c2\u8003\u6b64\u5904\u7684ReadMe\u3002<\/p>\n<p>\u5728pom.xml\u6587\u4ef6\u4e2d\u6309\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u8bb0\u5f55\u3002<\/p>\n<pre class=\"post-pre\"><code>            <span class=\"nt\">&lt;plugin&gt;<\/span>\r\n                <span class=\"nt\">&lt;groupId&gt;<\/span>net.orfjackal.retrolambda<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n                <span class=\"nt\">&lt;artifactId&gt;<\/span>retrolambda-maven-plugin<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n                <span class=\"nt\">&lt;version&gt;<\/span>2.5.1<span class=\"nt\">&lt;\/version&gt;<\/span>\r\n                <span class=\"nt\">&lt;executions&gt;<\/span>\r\n                    <span class=\"nt\">&lt;execution&gt;<\/span>\r\n                        <span class=\"nt\">&lt;goals&gt;<\/span>\r\n                            <span class=\"nt\">&lt;goal&gt;<\/span>process-main<span class=\"nt\">&lt;\/goal&gt;<\/span>\r\n                            <span class=\"nt\">&lt;goal&gt;<\/span>process-test<span class=\"nt\">&lt;\/goal&gt;<\/span>\r\n                        <span class=\"nt\">&lt;\/goals&gt;<\/span>\r\n                    <span class=\"nt\">&lt;\/execution&gt;<\/span>\r\n                <span class=\"nt\">&lt;\/executions&gt;<\/span>\r\n                <span class=\"nt\">&lt;configuration&gt;<\/span>\r\n                    <span class=\"nt\">&lt;target&gt;<\/span>1.6<span class=\"nt\">&lt;\/target&gt;<\/span>\r\n                <span class=\"nt\">&lt;\/configuration&gt;<\/span>\r\n            <span class=\"nt\">&lt;\/plugin&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u53ea\u9700\u4e00\u79cd\u9009\u9879\uff1a\u5728\u4e2d\u56fd\u6216\u4e2d\u6587\u4e2d\u91ca\u4e49\u5982\u4e0b\uff1a<\/p>\n<p>\u901a\u8fc7\u8fd9\u4e2a\u914d\u7f6e\uff0cMaven\u7684\u751f\u547d\u5468\u671f\u5c06\u81ea\u52a8\u6784\u5efa\u3002configuration.target\u7528\u4e8e\u63cf\u8ff0\u8f6c\u6362\u540e\u7684Java\u7248\u672c\u3002<\/p>\n<p>\u5728\u5f00\u53d1\u65f6\uff08\u5982IDE\u8bbe\u7f6e\uff09\u4f7f\u7528Java8 SDK\u8fdb\u884c\u5f00\u53d1\uff0c<br \/>\n\u5e76\u5728Java6\u4e2d\u6267\u884c\u6784\u5efa\u7684Jar\u6587\u4ef6\u3002<\/p>\n<p>\u8fd9\u4e2a\u65b9\u6cd5\u7684\u95ee\u9898\u662f\u5373\u4f7f\u4f7f\u7528Java8\u7684API\u4e5f\u53ef\u4ee5\u7f16\u8bd1\u901a\u8fc7\uff08\u5f53\u7136\u5728\u8fd0\u884c\u65f6\u4f1a\u51fa\u9519\uff09\uff0c\u4f46\u4f3c\u4e4e\u5b58\u5728\u53ef\u4ee5\u53d1\u51fa\u8b66\u544a\u7684\u63d2\u4ef6\u3002\uff08\u6211\u81ea\u5df1\u672a\u4f7f\u7528\u8fc7\uff09<\/p>\n<h2>\u6d41\u5a92\u4f53\u652f\u6301streamsupport\u8986\u76d6\u4e86\u8bb8\u591aJava 8\u7684\u65b0API\u3002<br \/>\n\u4ee5\u4e0b\u662f\u88ab\u8986\u76d6\u7684\u5185\u5bb9\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Streams API<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">CompletableFuture API<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Parallel array operations<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Functional interfaces<\/ul>\n<h3>\u7528\u6cd5<\/p>\n<h4>pom.xml -&gt; POM\u6587\u4ef6<br \/>\n\u5728pom.xml\u7684dependencies\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\u3002<br \/>\n\uff08streamsupport.version\u5df2\u5728properties\u4e2d\u5b9a\u4e49\u3002\uff09<\/p>\n<pre class=\"post-pre\"><code>        <span class=\"c\">&lt;!-- To use Java8 stream,functional API in Java6 --&gt;<\/span>\r\n        <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n            <span class=\"nt\">&lt;groupId&gt;<\/span>net.sourceforge.streamsupport<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>streamsupport<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n            <span class=\"nt\">&lt;version&gt;<\/span>${streamsupport.version}<span class=\"nt\">&lt;\/version&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n        <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n            <span class=\"nt\">&lt;groupId&gt;<\/span>net.sourceforge.streamsupport<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>streamsupport-cfuture<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n            <span class=\"nt\">&lt;version&gt;<\/span>${streamsupport.version}<span class=\"nt\">&lt;\/version&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n        <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n            <span class=\"nt\">&lt;groupId&gt;<\/span>net.sourceforge.streamsupport<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>streamsupport-flow<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n            <span class=\"nt\">&lt;version&gt;<\/span>${streamsupport.version}<span class=\"nt\">&lt;\/version&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n        <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n            <span class=\"nt\">&lt;groupId&gt;<\/span>net.sourceforge.streamsupport<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>streamsupport-atomic<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n            <span class=\"nt\">&lt;version&gt;<\/span>${streamsupport.version}<span class=\"nt\">&lt;\/version&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n        <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n            <span class=\"nt\">&lt;groupId&gt;<\/span>net.sourceforge.streamsupport<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>streamsupport-literal<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n            <span class=\"nt\">&lt;version&gt;<\/span>${streamsupport.version}<span class=\"nt\">&lt;\/version&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n<\/code><\/pre>\n<h4>\u57fa\u672c\u7528\u6cd5\u57fa\u672c\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0eJava 8 API\u4e0d\u540c\u7684\u5305\u540d\u79f0\u6765\u8c03\u7528\u5177\u6709\u76f8\u540c\u7c7b\u540d\u548c\u76f8\u540c\u65b9\u6cd5\u540d\u7684\u7c7b\u3002<\/p>\n<p>\u4e3e\u4e2a\u4f8b\u5b50\uff0cCompletableFuture API\u7684\u4f7f\u7528<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">java.util.concurrent.CompletableFuture<\/span><span class=\"o\">;<\/span>\r\n<\/code><\/pre>\n<p>\u8bf7\u4e0b\u8f66\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">java8.util.concurrent.CompletableFuture<\/span><span class=\"o\">;<\/span>\r\n<\/code><\/pre>\n<p>\u53d8\u6210\u8fd9\u4e2a\u6837\u5b50\u3002<\/p>\n<h4>Stream API\u7684\u4f7f\u7528\u65b9\u6cd5<br \/>\n\u53ef\u4ee5\u4f7f\u7528RefStreams.of\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u6d41\u5b9e\u4f8b\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java8.util.stream.RefStreams<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"nc\">RefStreams<\/span><span class=\"o\">.<\/span><span class=\"na\">of<\/span><span class=\"o\">(<\/span><span class=\"s\">\"a\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"b\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"c\"<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"o\">.<\/span><span class=\"na\">map<\/span><span class=\"o\">(<\/span><span class=\"nl\">String:<\/span><span class=\"o\">:<\/span><span class=\"n\">toUpperCase<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"o\">.<\/span><span class=\"na\">forEach<\/span><span class=\"o\">(<\/span><span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">::<\/span><span class=\"n\">println<\/span><span class=\"o\">);<\/span>\r\n<\/code><\/pre>\n<p>\u5728Java 8\u4e2d\uff0cList\u7c7b\u5df2\u7ecf\u65b0\u589e\u4e86stream\u65b9\u6cd5\uff0c\u5982\u4e0b\u6240\u793a\u3002<br \/>\n\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5c06\u4f1a\u662f\u8fd9\u6837\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">java.util.Arrays<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.util.List<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"nc\">List<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">list<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Arrays<\/span><span class=\"o\">.<\/span><span class=\"na\">asList<\/span><span class=\"o\">(<\/span><span class=\"s\">\"a\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"b\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"c\"<\/span><span class=\"o\">);<\/span>\r\n\r\n<span class=\"n\">list<\/span><span class=\"o\">.<\/span><span class=\"na\">stream<\/span><span class=\"o\">()<\/span>\r\n    <span class=\"o\">.<\/span><span class=\"na\">map<\/span><span class=\"o\">(<\/span><span class=\"nl\">String:<\/span><span class=\"o\">:<\/span><span class=\"n\">toUpperCase<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"o\">.<\/span><span class=\"na\">forEach<\/span><span class=\"o\">(<\/span><span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">::<\/span><span class=\"n\">println<\/span><span class=\"o\">);<\/span>\r\n<\/code><\/pre>\n<p>\u8bf7\u5c06\u4ee5\u4e0b\u5185\u5bb9\u7528\u4e2d\u6587\u8fdb\u884c\u540c\u4e49\u8868\u8fbe\uff08\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\uff09\uff1a<br \/>\n\u2193<\/p>\n<p>\u8bf7\u5c06\u4ee5\u4e0b\u5185\u5bb9\u7ffb\u8bd1\u6210\u4e2d\u6587\uff08\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\uff09\uff1a<br \/>\n\u2193<\/p>\n<pre class=\"post-pre\"><code>import java.util.Arrays;\r\nimport java.util.List;\r\nimport java8.util.stream.StreamSupport;\r\n\r\nList&lt;String&gt; list = Arrays.asList(\"a\", \"b\", \"c\");\r\n\r\nStreamSupport.stream(list)\r\n    .map(String::toUpperCase)\r\n     .forEach(System.out::println);\r\n<\/code><\/pre>\n<h1>\u4ee5\u4e0b\u9648\u8ff0\u662f\u4e2d\u6587\u7684\uff0c\u65e0\u9700\u518d\u8fdb\u884c\u7ffb\u8bd1\uff1a\u6211\u7948\u7977\u8bfb\u8fd9\u7bc7\u6587\u7ae0\u7684\u4eba\u4e0d\u4f1a\u9047\u5230\u5c06Java8\u5e94\u7528\u7a0b\u5e8f\u964d\u7ea7\u5230Java6\u7684\u673a\u4f1a&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u56e0\u4e3a\u6709\u4e00\u9879\u5de5\u4f5c\u662f\u4fee\u6539\u4ee5Java8\u5f00\u53d1\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f7f\u5176\u80fd\u591f\u5728Java6\u73af\u5883\u4e0b\u8fd0\u884c\uff0c\u6211\u89c9\u5f97\u8fd9\u5f88\u4e0d\u5bfb\u5e38\uff0c\u6240\u4ee5\u6253\u7b97\u603b\u7ed3 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-31341","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"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>\u4f7f\u7528Java6\u6765\u8fd0\u884c\u57fa\u4e8eJava8\u5f00\u53d1\u7684\u5e94\u7528\u7a0b\u5e8f - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u4f7f\u7528Java6\u6765\u8fd0\u884c\u57fa\u4e8eJava8\u5f00\u53d1\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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