{"id":66806,"date":"2025-05-03T11:38:04","date_gmt":"2025-05-03T03:38:04","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66806\/"},"modified":"2025-05-03T11:38:04","modified_gmt":"2025-05-03T03:38:04","slug":"java%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89%e4%b8%80%e4%b8%aabyte%e5%9e%8b%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66806\/","title":{"rendered":"java\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2abyte\u578b\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u8981\u5728 java \u4e2d\u5b9a\u4e49\u4e00\u4e2a\u5b57\u8282\u6570\u7ec4\uff0c\u8bf7\u4f7f\u7528\u8bed\u6cd5 byte[] arrayname; \u521b\u5efa\u4e00\u4e2a\u53d8\u91cf\uff0c\u7136\u540e\u4f7f\u7528 arrayname = new byte[size]; \u6839\u636e\u9700\u8981\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u5e76\u6307\u5b9a\u5176\u5927\u5c0f\u3002\u901a\u8fc7\u6570\u7ec4\u7d22\u5f15\u53ef\u4ee5\u8bbf\u95ee\u548c\u4fee\u6539\u6570\u7ec4\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111710422976447.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2abyte\u578b\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2abyte\u578b\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u5b9a\u4e49 Byte \u578b\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\u5b9a\u4e49\u4e00\u4e2a byte \u578b\u6570\u7ec4\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u539f\u59cb\u6570\u636e\u7c7b\u578b byte[] \u58f0\u660e\u53d8\u91cf\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<pre>byte[] arrayName;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>byte[] myByteArray;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u58f0\u660e\u6570\u7ec4\u540e\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u5e76\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff1a<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<pre>arrayName = new byte[size];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>myByteArray = new byte[10];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u957f\u5ea6\u4e3a 10 \u4e2a\u5143\u7d20\u7684 byte \u578b\u6570\u7ec4\u3002\u53ef\u4ee5\u901a\u8fc7\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u548c\u4fee\u6539\u6570\u7ec4\u5143\u7d20\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>myByteArray[0] = 10;\nSystem.out.println(myByteArray[0]); \/\/ \u8f93\u51fa\uff1a10<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>byte[] \u662f\u4e00\u4e2a\u539f\u59cb\u6570\u636e\u7c7b\u578b\u6570\u7ec4\uff0c\u5b83\u5b58\u50a8\u539f\u59cb byte \u503c\u3002<\/li>\n<li>\u6570\u7ec4\u7684\u5927\u5c0f\u5728\u521b\u5efa\u65f6\u6307\u5b9a\uff0c\u521b\u5efa\u540e\u65e0\u6cd5\u66f4\u6539\u3002<\/li>\n<li>\u6570\u7ec4\u5143\u7d20\u7684\u7d22\u5f15\u662f\u4ece 0 \u5f00\u59cb\u7684\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2abyte\u578b\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8981\u5728 java \u4e2d\u5b9a\u4e49\u4e00\u4e2a\u5b57\u8282\u6570\u7ec4\uff0c\u8bf7\u4f7f\u7528\u8bed\u6cd5 byte[] arrayname; \u521b\u5efa\u4e00\u4e2a\u53d8\u91cf\uff0c\u7136\u540e\u4f7f\u7528 arrayname = new byte[size]; \u6839\u636e\u9700\u8981\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u5e76\u6307\u5b9a\u5176\u5927\u5c0f\u3002\u901a\u8fc7\u6570\u7ec4\u7d22\u5f15\u53ef\u4ee5\u8bbf\u95ee\u548c\u4fee\u6539\u6570\u7ec4\u5143\u7d20\u3002 Java \u4e2d\u5b9a\u4e49 Byte \u578b\u6570\u7ec4 \u5728 Java \u4e2d\u5b9a\u4e49\u4e00\u4e2a byte \u578b\u6570\u7ec4\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u539f\u59cb\u6570\u636e\u7c7b\u578b byte[] \u58f0\u660e\u53d8\u91cf\u3002 \u8bed\u6cd5\uff1a byte[] arrayName; \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b byte[] myByteArray; \u767b\u5f55\u540e\u590d\u5236 \u58f0\u660e\u6570\u7ec4\u540e\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u5e76\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff1a \u8bed\u6cd5\uff1a arrayName = new byte[size]; \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b myByteArray = new byte[10]; \u767b\u5f55\u540e\u590d\u5236 \u6b64\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u957f\u5ea6\u4e3a 10 \u4e2a\u5143\u7d20\u7684 byte \u578b\u6570\u7ec4\u3002\u53ef\u4ee5\u901a\u8fc7\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u548c\u4fee\u6539\u6570\u7ec4\u5143\u7d20\u3002 \u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b myByteArray[0] [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-66806","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66806","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=66806"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66806\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66806"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66806"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66806"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}