bufferedreader - How to read a text file in a bottom up fashion in java? -


इस सवाल का पहले से ही एक उत्तर है: < / P>

  • 10 उत्तर

मैं लागू करने की कोशिश कर रहा हूँ एक ऑपरेटिंग सिस्टम असाइनमेंट के रूप में एक लॉग स्ट्रक्चर फाइल सिस्टम। इसमें सबसे हालिया डेटा फ़ाइल के अंत में रखा गया है। यही कारण है कि मैं रिवर्स ऑर्डर में टेक्स्ट फ़ाइल "लाइन-बाय-लाइन" को पढ़ना चाहता हूं क्या यह संभव है?

रिवर्सलाइन इनस्टस्ट्रीम देखें:

यह एसई प्रश्न को संदर्भित करता है 

  में = नया बफ़्टेड रीडर (नया इन्पुटस्ट्रीमरेडर (नया रिवर्सलाइन इंटरस्ट्रिम स्ट्रीम (फ़ाइल))); जबकि (सच) {स्ट्रिंग रेखा = in.readLine (); अगर (रेखा == शून्य) {ब्रेक; } System.out.println ("X:" + लाइन); }

(धन्यवाद, @ मार्क ओ'डोनोह)


Comments

Post a Comment

Popular posts from this blog

javascript - How to use the code plugin with popcornjs -

I'm making my first move with popcornes and I'm trying to use it, but to make sure Not to do this I gave an example, and found the video to play, but I can not use the plugin index.html: & lt; Script src = "bower_components / popcornjs / popcorn.js" & gt; & Lt; / Script & gt; & Lt; Script src = "bower_components / popcornjs / wrappers / common / popcorn.mediaElementProto.js" & gt; & Lt; / Script & gt; & Lt; Script src = "bower_components / popcornjs / wrappers / youtube / popcorn.HTMLYouTubeVideoElement.js" & gt; & Lt; / Script & gt; & Lt; Script src = "bower_components / popcornjs / plugins / code / popcorn.code.js" & gt; & Lt; / Script & gt; Media.js $ scope.player = popcorn.HTMLYouTubeVideoElement ("#media-player"); $ Scope.player src = "http://www.youtube.com/watch?v=DaN2Y2-wNSs"; // The following lines failed // $ scope.player.c...
Read more

Apache Redirect Performance - .htaccess vs Apache configuration file ? -

I wonder if there are several redirect rules inside a .haccess file (say 10000+) can be a display problem is. (This file is parsed every access to the site) Archiving them in the Apache configuration file will not be a better option (at the display point)? Apache configuration is a better option in this case, because you do not have to .htaccess file on every access Read; Configure is read once, then stored in memory. Please note, however, you will not be able to change your redirects on the fly. You must restart the server to make them effective. Also, when you are concerned about performance at that level, then the apache will search your directories, so completely. (From that directory, which is served) / for the .htaccess file. Allow anyone at & lt; Directory / & gt; should work, and then do not enable it anywhere.
Read more