good website for java

本文推荐了五个优秀的Java学习资源网站,包括java2s、codeZoo等,这些网站提供了丰富的示例代码、文章和教程,覆盖了多种编程语言和技术领域。
 1. java2s   http://www.java2s.com/
      这个网站非常好,分成三大类,分别是 ExampleProducts Articles,每个大类下又分别设许多小类,还有搜索功能,这样查找起来非常方便。。比如,如果要学习SWT/JFace,只要把Example下的 SWT JFace Eclipse 研究一下也就可以了。另外,这个网站还有 JavaScript DHTMLC# / C SharpC / ANSI-CSQL / MySQL等类。总之,非常好。
  2. codeZoo http://www.codezoo.com/
   这是O'Reily旗下的,除了Java之外,还有Ruby、Python。
 
  3. Java学习源代码检索系统  http://www.chinaitlab.com/www/school/codesearch/index.html
   难得看见国产的,好歹也要支持一下,分类也算清楚。
 
  4. Koders  http://www.koders.com/
   是个综合查询的网站,不过它好像是从代码中查找关键词,包含的语言挺多的。
 
  5. Resources for Java server-side developers  http://www.java201.com/
   确切的说,它是一个资源收集的网站,代码查询并不多。不过它分类相当细,如Articles、Books、Examples、Extensions、Frameworks等类,你可以输入Spring或Hibernate作为关键词搜索一下看看。
执行npm install 时报错> node-sass@4.14.1 install D:\code\Java_Code\car-website\car-admin\node_modules\node-sass > node scripts/install.js Downloading binary from https://github.com/sass/node-sass/releases/download/v4.14.1/win32-x64-83_binding.node Cannot download "https://github.com/sass/node-sass/releases/download/v4.14.1/win32-x64-83_binding.node": connect ETIMEDOUT 185.199.111.133:443 Timed out whilst downloading the prebuilt binary Hint: If github.com is not accessible in your location try setting a proxy via HTTP_PROXY, e.g. export HTTP_PROXY=http://example.com:1234 or configure npm proxy via npm config set proxy http://example.com:8080 > core-js@2.6.12 postinstall D:\code\Java_Code\car-website\car-admin\node_modules\core-js > node -e "try{require('./postinstall')}catch(e){}" Thank you for using core-js ( https://github.com/zloirock/core-js ) for polyfilling JavaScript standard library! The project needs your help! Please consider supporting of core-js on Open Collective or Patreon: > https://opencollective.com/core-js > https://www.patreon.com/zloirock Also, the author of core-js ( https://github.com/zloirock ) is looking for a good job -) > ejs@2.7.4 postinstall D:\code\Java_Code\car-website\car-admin\node_modules\ejs > node ./postinstall.js Thank you for installing EJS: built with the Jake JavaScript build tool (https://jakejs.com/) > node-sass@4.14.1 postinstall D:\code\Java_Code\car-website\car-admin\node_modules\node-sass > node scripts/build.js Building: D:\software\node.js\node.exe D:\code\Java_Code\car-website\car-admin\node_modules\node-gyp\bin\node-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library= gyp info it worked if it ends with ok gyp verb cli [ gyp verb cli 'D:\\software\\node.js\\node.exe', gyp verb cli 'D:\\code\\Java_Code\\car-website\\car-admin\\node_modules\\node-gyp\\bin\\node-gyp.js', gyp verb cli 'rebuild', gyp verb cli '--verbose', gyp verb cli '--libsass_ext=', gyp verb cli '--libsass_cflags=', gyp verb cli '--libsass_ldflags=', gyp verb cli '--libsass_library=' gyp verb cli ] gyp info using node-gyp@3.8.0 gyp info using node@14.21.3 | win32 | x64 gyp verb command rebuild [] gyp verb command clean [] gyp verb clean removing "build" directory gyp verb command configure [] gyp verb check python checking for Python executable "python2" in the PATH gyp verb `which` failed Error: not found: python2 gyp verb `which` failed at getNotFoundError (D:\code\Java_Code\car-website\car-admin\node_modules\which\which.js:13:12) gyp verb `which` failed at F (D:\code\Java_Code\car-website\car-admin\node_modules\which\which.js:68:19) gyp verb `which` failed at E (D:\code\Java_Code\car-website\car-admin\node_modules\which\which.js:80:29) gyp verb `which` failed at D:\code\Java_Code\car-website\car-admin\node_modules\which\which.js:89:16 gyp verb `which` failed at D:\code\Java_Code\car-website\car-admin\node_modules\isexe\index.js:42:5 gyp verb `which` failed at D:\code\Java_Code\car-website\car-admin\node_modules\isexe\windows.js:36:5 gyp verb `which` failed at FSReqCallback.oncomplete (fs.js:192:21) gyp verb `which` failed python2 Error: not found: python2 gyp verb `which` failed at getNotFoundError (D:\code\Java_Code\car-website\car-admin\node_modules\which\which.js:13:12) gyp verb `which` failed at F (D:\code\Java_Code\car-website\car-admin\node_modules\which\which.js:68:19) gyp verb `which` failed at E (D:\code\Java_Code\car-website\car-admin\node_modules\which\which.js:80:29) gyp verb `which` failed at D:\code\Java_Code\car-website\car-admin\node_modules\which\which.js:89:16 gyp verb `which` failed at D:\code\Java_Code\car-website\car-admin\node_modules\isexe\index.js:42:5 gyp verb `which` failed at D:\code\Java_Code\car-website\car-admin\node_modules\isexe\windows.js:36:5 gyp verb `which` failed at FSReqCallback.oncomplete (fs.js:192:21) { gyp verb `which` failed code: 'ENOENT' gyp verb `which` failed } gyp verb check python checking for Python executable "python" in the PATH gyp verb `which` failed Error: not found: python gyp verb `which` failed at getNotFoundError (D:\code\Java_Code\car-website\car-admin\node_modules\which\which.js:13:12) gyp verb `which` failed at F (D:\code\Java_Code\car-website\car-admin\node_modules\which\which.js:68:19) gyp verb `which` failed at E (D:\code\Java_Code\car-website\car-admin\node_modules\which\which.js:80:29) gyp verb `which` failed at D:\code\Java_Code\car-website\car-admin\node_modules\which\which.js:89:16 gyp verb `which` failed at D:\code\Java_Code\car-website\car-admin\node_modules\isexe\index.js:42:5 gyp verb `which` failed at D:\code\Java_Code\car-website\car-admin\node_modules\isexe\windows.js:36:5 gyp verb `which` failed at FSReqCallback.oncomplete (fs.js:192:21) gyp verb `which` failed python Error: not found: python gyp verb `which` failed at getNotFoundError (D:\code\Java_Code\car-website\car-admin\node_modules\which\which.js:13:12) gyp verb `which` failed at F (D:\code\Java_Code\car-website\car-admin\node_modules\which\which.js:68:19) gyp verb `which` failed at E (D:\code\Java_Code\car-website\car-admin\node_modules\which\which.js:80:29) gyp verb `which` failed at D:\code\Java_Code\car-website\car-admin\node_modules\which\which.js:89:16 gyp verb `which` failed at D:\code\Java_Code\car-website\car-admin\node_modules\isexe\index.js:42:5 gyp verb `which` failed at D:\code\Java_Code\car-website\car-admin\node_modules\isexe\windows.js:36:5 gyp verb `which` failed at FSReqCallback.oncomplete (fs.js:192:21) { gyp verb `which` failed code: 'ENOENT' gyp verb `which` failed } gyp verb could not find "python". checking python launcher gyp verb could not find "python". guessing location gyp verb ensuring that file exists: C:\Python27\python.exe gyp ERR! configure error gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable. gyp ERR! stack at PythonFinder.failNoPython (D:\code\Java_Code\car-website\car-admin\node_modules\node-gyp\lib\configure.js:484:19) gyp ERR! stack at PythonFinder.<anonymous> (D:\code\Java_Code\car-website\car-admin\node_modules\node-gyp\lib\configure.js:509:16) gyp ERR! stack at callback (D:\code\Java_Code\car-website\car-admin\node_modules\graceful-fs\polyfills.js:306:20) gyp ERR! stack at FSReqCallback.oncomplete (fs.js:192:21) gyp ERR! System Windows_NT 10.0.19045 gyp ERR! command "D:\\software\\node.js\\node.exe" "D:\\code\\Java_Code\\car-website\\car-admin\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_li brary=" gyp ERR! cwd D:\code\Java_Code\car-website\car-admin\node_modules\node-sass gyp ERR! node -v v14.21.3 gyp ERR! node-gyp -v v3.8.0 gyp ERR! not ok Build failed with error code: 1 npm WARN vueadmin@1.0.5 No repository field. npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.13 (node_modules\watchpack-chokidar2\node_modules\fsevents): npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.13: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"}) npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@2.3.3 (node_modules\fsevents): npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@2.3.3: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"}) npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! node-sass@4.14.1 postinstall: `node scripts/build.js` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the node-sass@4.14.1 postinstall script.
08-23
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