{"id":31466,"date":"2023-04-13T11:02:40","date_gmt":"2022-12-06T10:21:34","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%b1%bb\/"},"modified":"2024-04-29T23:19:54","modified_gmt":"2024-04-29T15:19:54","slug":"java%e4%b8%ad%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%b1%bb","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%b1%bb\/","title":{"rendered":"Java\u4e2d\u7684\u5b57\u7b26\u4e32\u7c7b"},"content":{"rendered":"<h1>\u7531\u4e8eString\u7c7b\u5177\u6709\u591a\u79cd\u65b9\u4fbf\u529f\u80fd\uff0c\u56e0\u6b64\u5728\u6b64\u5c06\u4ecb\u7ecd\u5176\u4f7f\u7528\u65b9\u6cd5\u3002<\/h1>\n<h1>\uff12\uff0c\u7a0b\u5f0f\u78bc<\/h1>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Main<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n\r\n        <span class=\"nc\">String<\/span> <span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"hiro\"<\/span><span class=\"o\">;<\/span>\r\n\r\n        <span class=\"kt\">boolean<\/span> <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">name<\/span><span class=\"o\">.<\/span><span class=\"na\">equals<\/span><span class=\"o\">(<\/span><span class=\"s\">\"hiro\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ true<\/span>\r\n        <span class=\"kt\">int<\/span> <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">name<\/span><span class=\"o\">.<\/span><span class=\"na\">length<\/span><span class=\"o\">();<\/span> <span class=\"c1\">\/\/ 4<\/span>\r\n        <span class=\"kt\">char<\/span> <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">name<\/span><span class=\"o\">.<\/span><span class=\"na\">charAt<\/span><span class=\"o\">(<\/span><span class=\"mi\">2<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ r<\/span>\r\n        <span class=\"kt\">int<\/span> <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">name<\/span><span class=\"o\">.<\/span><span class=\"na\">indexOf<\/span><span class=\"o\">(<\/span><span class=\"s\">\"h\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ 0<\/span>\r\n        <span class=\"kt\">boolean<\/span> <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">name<\/span><span class=\"o\">.<\/span><span class=\"na\">isEmpty<\/span><span class=\"o\">();<\/span> <span class=\"c1\">\/\/ false<\/span>\r\n        <span class=\"nc\">String<\/span> <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">name<\/span><span class=\"o\">.<\/span><span class=\"na\">toUpperCase<\/span><span class=\"o\">();<\/span> <span class=\"c1\">\/\/ HIRO<\/span>\r\n        <span class=\"nc\">String<\/span> <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">name<\/span><span class=\"o\">.<\/span><span class=\"na\">toLowerCase<\/span><span class=\"o\">();<\/span> <span class=\"c1\">\/\/ hiro<\/span>\r\n        <span class=\"nc\">String<\/span> <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">name<\/span><span class=\"o\">.<\/span><span class=\"na\">trim<\/span><span class=\"o\">();<\/span> <span class=\"c1\">\/\/ hiro<\/span>\r\n        <span class=\"nc\">String<\/span> <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">name<\/span><span class=\"o\">.<\/span><span class=\"na\">replace<\/span><span class=\"o\">(<\/span><span class=\"s\">\"o\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"a\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ hira<\/span>\r\n\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">result<\/span><span class=\"o\">);<\/span>\r\n\r\n    <span class=\"o\">}<\/span>\r\n\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h1>Java\u6559\u7a0b<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\":white_check_mark:\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d0cdd37434c4406be9c8d\/4-11.png\" alt=\":white_check_mark:\" \/><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7531\u4e8eString\u7c7b\u5177\u6709\u591a\u79cd\u65b9\u4fbf\u529f\u80fd\uff0c\u56e0\u6b64\u5728\u6b64\u5c06\u4ecb\u7ecd\u5176\u4f7f\u7528\u65b9\u6cd5\u3002 \uff12\uff0c\u7a0b\u5f0f\u78bc public class Main [&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-31466","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>Java\u4e2d\u7684\u5b57\u7b26\u4e32\u7c7b - 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\/java\u4e2d\u7684\u5b57\u7b26\u4e32\u7c7b\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u4e2d\u7684\u5b57\u7b26\u4e32\u7c7b\" \/>\n<meta property=\"og:description\" content=\"\u7531\u4e8eString\u7c7b\u5177\u6709\u591a\u79cd\u65b9\u4fbf\u529f\u80fd\uff0c\u56e0\u6b64\u5728\u6b64\u5c06\u4ecb\u7ecd\u5176\u4f7f\u7528\u65b9\u6cd5\u3002 \uff12\uff0c\u7a0b\u5f0f\u78bc public class Main [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u4e2d\u7684\u5b57\u7b26\u4e32\u7c7b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2022-12-06T10:21:34+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T15:19:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d0cdd37434c4406be9c8d\/4-11.png\" \/>\n<meta name=\"author\" content=\"\u6587, \u7fd4\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6587, \u7fd4\" 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