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java Programming Glossary: iojava.io.Console support in Eclipse IDE http://stackoverflow.com/questions/104254/java-io-console-support-in-eclipse-ide support in Eclipse IDE I use the Eclipse IDE to develop.. and run my Java projects. Today I'm trying to use the java.io.Console class to manage output and more importantly user input... is that System.Console returns null when an application is run through Eclipse. Eclipse run the program on a background..
Convert InputStream to byte[] in Java http://stackoverflow.com/questions/1264709/convert-inputstream-to-byte-in-java I do java bytearray inputstream share improve this question You can use Apache commons io to handle this and similar.. share improve this question You can use Apache commons io to handle this and similar tasks. The IOUtils type has a static..
How can I lock a file using java (if possible) http://stackoverflow.com/questions/128038/how-can-i-lock-a-file-using-java-if-possible this automaticaly makes the second process get an exception if the file is open which solves my problem or do i have to.. of each file consists of reading it and doing some calculations based on the contents and it takes about 2 minutes. I also.. to be able to run these apps at the same time so the scenario goes like this. ReadApp lists the folder and finds files A B..
How do I list the files inside a JAR file? http://stackoverflow.com/questions/1429172/how-do-i-list-the-files-inside-a-jar-file can I read the contents of a directory in a similar fashion within a JAR file So what I really want to do is to list all.. rest I have to load them dynamically. java file jar java io getresource share improve this question CodeSource src MyClass.class.getProtectionDomain.. file jar java io getresource share improve this question CodeSource src MyClass.class.getProtectionDomain .getCodeSource..
How to append text to an existing file in Java http://stackoverflow.com/questions/1625234/how-to-append-text-to-an-existing-file-in-java to an existing file in Java. How do I do that java file io io text files share improve this question Are you doing this.. an existing file in Java. How do I do that java file io io text files share improve this question Are you doing this.. that java file io io text files share improve this question Are you doing this for logging purposes If so Apache Log4j..
Recursively list files in Java http://stackoverflow.com/questions/2056221/recursively-list-files-in-java provide any utility I saw a lot of hacky implementations. But none from the framework or nio java file recursion nio.. of hacky implementations. But none from the framework or nio java file recursion nio share improve this question FileUtils.. But none from the framework or nio java file recursion nio share improve this question FileUtils have iterateFiles..
getResourceAsStream() vs FileInputStream http://stackoverflow.com/questions/2308188/getresourceasstream-vs-fileinputstream a file in a webapp and I was getting a FileNotFound exception when I used FileInputStream . However using the same path I.. and why does one work while the other doesn't java file io web applications fileinputstream share improve this question.. one work while the other doesn't java file io web applications fileinputstream share improve this question The java.io.File..
Java: how to create and write to a file http://stackoverflow.com/questions/2885173/java-how-to-create-and-write-to-a-file write to a file in Java I know this is a very basic question but the web is full of different answers for different versions.. but the web is full of different answers for different versions of Java and it would be nice to have an answer here on StackOverflow... nice to have an answer here on StackOverflow. java file io share improve this question Creating a text file note that..
Read/convert an InputStream to a String http://stackoverflow.com/questions/309424/read-convert-an-inputstream-to-a-string convert an InputStream to a String If you have java.io.InputStream object how should you process that object and produce.. String convertStreamToString InputStream is java string io stream inputstream share improve this question A nice way.. string io stream inputstream share improve this question A nice way to do this is using Apache commons IOUtils to copy..
How to create a Java String from the contents of a file? http://stackoverflow.com/questions/326390/how-to-create-a-java-string-from-the-contents-of-a-file String from the contents of a file I've been using this idiom for some time now. And it seems to be the most wide spread.. in Java private String readFile String file throws IOException BufferedReader reader new BufferedReader new FileReader file.. ls return stringBuilder.toString java file file io io share improve this question Read text from a file Here's..
Best way to read a text file [closed] http://stackoverflow.com/questions/4716503/best-way-to-read-a-text-file so that I can decide what the best way is java file io share improve this question ASCII is a TEXT file so you would.. the best way is java file io share improve this question ASCII is a TEXT file so you would use Readers for reading...
Java IO implementation of unix/linux “tail -f” http://stackoverflow.com/questions/557844/java-io-implementation-of-unix-linux-tail-f IO implementation of unix linux &ldquo tail f&rdquo I'm wondering what techniques.. techniques and or library to use to implement the functionality of the linux command tail f . I'm essentially looking.. looking for a drop in add on replacement for java.io.FileReader. Client code could look something like this TailFileReader..
Quickly read the last line of a text file? http://stackoverflow.com/questions/686231/quickly-read-the-last-line-of-a-text-file of text from a very very large file in Java java file io share improve this question Have a look at my answer to.. large file in Java java file io share improve this question Have a look at my answer to a similar question for C# . The.. this question Have a look at my answer to a similar question for C# . The code would be quite similar although the encoding..
How to find a button source in AWT (calculator homework) http://stackoverflow.com/questions/7441625/how-to-find-a-button-source-in-awt-calculator-homework by typing the 1st and 2nd value then choosing the operation it worked. But I made a mistake because what they want us to.. public class SimpleCalculator implements ActionListener containers private Frame f private Panel p1 p2 p3 p4.. f.setVisible true register event handlers bAdd.addActionListener this bSub.addActionListener this bMul.addActionListener..
Easiest way to merge a release into one JAR file http://stackoverflow.com/questions/81260/easiest-way-to-merge-a-release-into-one-jar-file 559366 11 30 07 09 49 jrst 0.8.1 lib commons collections 3.1.jar 83613 11 30 07 09 49 jrst 0.8.1 lib commons io 1.3.1.jar.. 3.1.jar 83613 11 30 07 09 49 jrst 0.8.1 lib commons io 1.3.1.jar 207723 11 30 07 09 49 jrst 0.8.1 lib commons lang.. 0.93 jdk15.jar 55147 11 30 07 09 49 jrst 0.8.1 lib activation 1.0.2.jar 355030 11 30 07 09 49 jrst 0.8.1 lib mail 1.3.3.jar..
http://stackoverflow.com/questions/858980/file-to-byte-in-java to byte in Java What is the best way to convert a java.io.File to a byte java file io share improve this question .. best way to convert a java.io.File to a byte java file io share improve this question It depends on what best means.. to a byte java file io share improve this question It depends on what best means for you. Productivity wise..
Standard concise way to copy a file in Java? http://stackoverflow.com/questions/106770/standard-concise-way-to-copy-a-file-in-java this question As toolkit mentions above Apache Commons IO is the way to go specifically FileUtils . copyFile it handles.. FileUtils such as the 2.0.1 release have added the use of NIO for copying files NIO can significantly increase file copying.. 2.0.1 release have added the use of NIO for copying files NIO can significantly increase file copying performance in a large..
Java: Check if file is already open http://stackoverflow.com/questions/1390592/java-check-if-file-is-already-open share improve this question Using the Apache Commons IO library... boolean isFileUnlocked false try org.apache.commons.io.FileUtils.touch.. yourFile isFileUnlocked true catch IOException e isFileUnlocked false if isFileUnlocked Do stuff you..
http://stackoverflow.com/questions/14211843/how-to-save-uploaded-file uploadedFile getter setter public String save throws IOException String name uploadedFile.getName System.out.println.. path to uploads FilenameUtils is part of Apache Commons IO which you should already have in your classpath for long as.. OutputStream output new FileOutputStream file try IOUtils.copy input output finally IOUtils.closeQuietly output IOUtils.closeQuietly..
http://stackoverflow.com/questions/1502841/reliable-data-serving database then you need to develop a servlet which does the IO job efficiently i.e. do not unnecessarily store the entire data..
Java NIO FileChannel versus FileOutputstream performance / usefulness http://stackoverflow.com/questions/1605332/java-nio-filechannel-versus-fileoutputstream-performance-usefulness NIO FileChannel versus FileOutputstream performance usefulness .. testing with is around 350MB. Is it a good option to use NIO based classes for File I O if I am not looking at random access.. import java.nio.channels.FileChannel public class JavaNIOTest public static void main String args throws Exception useNormalIO..
How to Find Default Charset/Encoding in Java? http://stackoverflow.com/questions/1749064/how-to-find-default-charset-encoding-in-java incorrect and returns the default UTF 8 . As for why the IO classes such as OutputStreamWriter return an unexpected result.. of sun.nio.cs.StreamEncoder witch is used by these IO classes is different as well for JVM 1.5 and JVM 1.6. The JVM.. to get the default encoding if one is not provided to IO classes. The JVM 1.5 implementation uses a different method..
How to retrieve and display images from a database in a JSP page? http://stackoverflow.com/questions/2340406/how-to-retrieve-and-display-images-from-a-database-in-a-jsp-page to the OutputStream of the response the usual Java IO way. The client side needs to be instructed that the data should.. HttpServletResponse response throws ServletException IOException Prepare. String name request.getPathInfo .substring.. 0 length finally if output null try output.close catch IOException logOrIgnore if input null try input.close catch IOException..
open source image processing lib in java http://stackoverflow.com/questions/2407113/open-source-image-processing-lib-in-java commons.apache.org imaging This library mostly does image IO but it has a handful of features that can facilitate image analysis...
How to upload files to server using JSP/Servlet? http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet attempt failed most likely because you forgot the commons IO. Here's a kickoff example how the doPost of your UploadServlet.. HttpServletResponse response throws ServletException IOException try List FileItem items new ServletFileUpload new DiskFileItemFactory.. HttpServletResponse response throws ServletException IOException String description request.getParameter description..
How to deal with “java.lang.OutOfMemoryError: Java heap space” error (64MB heap size) http://stackoverflow.com/questions/37335/how-to-deal-with-java-lang-outofmemoryerror-java-heap-space-error-64mb-heap
Java IO implementation of unix/linux “tail -f” http://stackoverflow.com/questions/557844/java-io-implementation-of-unix-linux-tail-f IO implementation of unix linux &ldquo tail f&rdquo I'm wondering.. line br.readLine do something interesting with line catch IOException e barf The missing piece is a reasonable implementation..
http://stackoverflow.com/questions/592303/asynchronous-io-in-java IO in Java What options for async io socket based are there in.. asynchronous share improve this question Java's NIO package as of Java6 provides support for non blocking I O only.. via Selector s. Java7 is hopefully going to ship with NIO.2 which includes asynchronous I O support. Today your best bet..
http://stackoverflow.com/questions/6366385/decorator-pattern-for-io Pattern for IO I have read in wikipedia that Decorator pattern is used for.. wikipedia that Decorator pattern is used for .Net and Java IO classes. Can someone explain how this is being used and what.. forms on wiki but i wanted to know how it happens with IO classes. java .net design patterns io decorator share improve..
How do i programmatically change file permissions? http://stackoverflow.com/questions/664432/how-do-i-programmatically-change-file-permissions attributes is available in Java 7 as part of the new New IO facility NIO.2 . For example POSIX permissions can be set with.. is available in Java 7 as part of the new New IO facility NIO.2 . For example POSIX permissions can be set with setPosixFilePermissions..
How do I trim a file extension from a String in Java? http://stackoverflow.com/questions/941272/how-do-i-trim-a-file-extension-from-a-string-in-java
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