java Programming Glossary: reads
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 I list the files inside a JAR file I have this code which reads all the files from a directory. File textFolder new File text_directory..
When should one use final? http://stackoverflow.com/questions/154314/when-should-one-use-final fields and can avoid the need for synchronization on later reads. Note that for an object reference only the field reference..
Difference between each instance of servlet and each thread of servlet in servlets? http://stackoverflow.com/questions/2183974/difference-between-each-instance-of-servlet-and-each-thread-of-servlet-in-servle this question When the Servlet container starts it reads web.xml finds the declared Servlets in the classpath and loads.. why it's extremely important to write servlet code the threadsafe manner which is actually simple just do not assign request..
Scanner vs. BufferedReader http://stackoverflow.com/questions/2231369/scanner-vs-bufferedreader from the contents of the stream while BufferedReader just reads the stream and does not do any special parsing. In fact you..
How do you determine the ideal buffer size when using FileInputStream? http://stackoverflow.com/questions/236861/how-do-you-determine-the-ideal-buffer-size-when-using-fileinputstream read 4100 bytes at a time each read would require 2 block reads by the file system . If the blocks are already in cache then.. to the disk block size. This means that one of your stream reads could result in multiple disk block reads but those reads will.. of your stream reads could result in multiple disk block reads but those reads will always use a full block no wasted reads...
Is there a performance difference between a for loop and a for-each loop? http://stackoverflow.com/questions/256859/is-there-a-performance-difference-between-a-for-loop-and-a-for-each-loop When you see the colon read it as œin. Thus the loop above reads as œfor each element e in elements. Note that there is no performance..
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 you need a different design for your program one that reads a chunk of text from a stream processes it and then moves on..
Change private static final field using Java reflection http://stackoverflow.com/questions/3301635/change-private-static-final-field-using-java-reflection updated. The object should not be made visible to other threads nor should the final fields be read until all updates to the.. final fields. Within a thread it is permissible to reorder reads of a final field with those modifications of a final field that..
Java Process with Input/Output Stream http://stackoverflow.com/questions/3643939/java-process-with-input-output-stream read from. Before this you needed to have two separate Threads one reading from stdout and one reading from stderr to avoid.. Stdout line only exit when the reader which reads from the process's standard output returns end of file. This..
What's the difference between ConcurrentHashMap and Collections.synchronizedMap(Map)? http://stackoverflow.com/questions/510632/whats-the-difference-between-concurrenthashmap-and-collections-synchronizedmap Map I have a Map which is to be modified by several threads concurrently. There seem to be three different synchronized.. allows concurrent modification of the Map from several threads without the need to block them. Collections.synchronizedMap..
Asynchronous IO in Java? http://stackoverflow.com/questions/592303/asynchronous-io-in-java there in java other then java.nio Also does java.nio use threads in the backround as I think .NET's async socket library does.. server. Grizzly provides a facility for doing asynchronous reads writes via a queue model . It supports TCP and UDP a like. I've.. take a look. Now with regard to your question about threads NIO Selectors do not use threads for non blocking I O. In JDK6..
Different ways of loading a file as an InputStream http://stackoverflow.com/questions/676250/different-ways-of-loading-a-file-as-an-inputstream that I want to read is in the classpath as my class that reads the file. My class and the file are in the same jar and packaged..
Scanner issue when using nextLine after nextXXX http://stackoverflow.com/questions/7056749/scanner-issue-when-using-nextline-after-nextxxx The problem is with the input.nextInt command it only reads the int value. So when you continue reading with input.nextLine..
Java 7 language features with Android http://stackoverflow.com/questions/7153989/java-7-language-features-with-android Java 7 language features with Android I know that Android reads the bytecode that Java spits out and turns it to dex. So I guess..
Update JLabel every X seconds from ArrayList<List> - Java http://stackoverflow.com/questions/7943584/update-jlabel-every-x-seconds-from-arraylistlist-java ArrayList List Java I have a simple Java program that reads in a text file splits it by spaces displays the first word waits..
Barcode Scanner implementation on Java http://stackoverflow.com/questions/8146840/barcode-scanner-implementation-on-java want to create a global keyboard hook . My java program reads all input from the specified serial port and writes the barcode..
How to download and save a file from Internet using Java? http://stackoverflow.com/questions/921262/how-to-download-and-save-a-file-from-internet-using-java is potentially much more efficient than a simple loop that reads from the source channel and writes to this channel. Many operating..
Hide input on command line http://stackoverflow.com/questions/10819469/hide-input-on-command-line . You'll have to be running at least Java 6 though. Reads a password or passphrase from the console with echoing disabled..
Program to create a PNG waveform for an audio file http://stackoverflow.com/questions/11017283/program-to-create-a-png-waveform-for-an-audio-file Exception e break seconds 0 End class SamplingGraph Reads data from the input channel and writes to the output stream..
How to run a task daily from Java? http://stackoverflow.com/questions/1498837/how-to-run-a-task-daily-from-java designed to be extended and integrated with any project. Reads and stores the tasks to execute in a file a database or an EJB..
How the buffer byte array is continuously filling while streaming? http://stackoverflow.com/questions/18105971/how-the-buffer-byte-array-is-continuously-filling-while-streaming bytes 0 bytesRead fis.close As per api of read method Reads up to b.length bytes of data from this input stream into an..
non-static variable cannot be referenced from a static context http://stackoverflow.com/questions/2559527/non-static-variable-cannot-be-referenced-from-a-static-context found false Prompt the user to select an option menu n t1 Reads file n t2 Finds a specific number in the list n t3 Prints how..
Where to add the UTF-8 extension in the HTML page? http://stackoverflow.com/questions/4245386/where-to-add-the-utf-8-extension-in-the-html-page
Displaying data from database in JTable http://stackoverflow.com/questions/5357349/displaying-data-from-database-in-jtable And your users angry. So I usually try a solution which Reads 1000 rows max. Plus I stop after 100 rows so the user has at..
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