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java Programming Glossary: throughStandard concise way to copy a file in Java? http://stackoverflow.com/questions/106770/standard-concise-way-to-copy-a-file-in-java streams declaring a buffer reading in one file looping through it and writing it out to the other steam. The web is littered.. rather than handle it by reading and writing bytes through the Java layer. So if you're looking for performance it might..
How to sort a Map<Key, Value> on the values in Java? http://stackoverflow.com/questions/109383/how-to-sort-a-mapkey-value-on-the-values-in-java converting the keySet into an array and sorting that array through array sort with a custom comparator that sorts on the value..
JComponents not showing up with picture background? http://stackoverflow.com/questions/11369171/jcomponents-not-showing-up-with-picture-background only we will go a step further slowly slowly. Try to go through this example in which I am showing you how to draw on a JPanel..
Java: maintaining aspect ratio of JPanel background image http://stackoverflow.com/questions/11959758/java-maintaining-aspect-ratio-of-jpanel-background-image quality approach but it is the easiest. Take a read through The Perils of Image.getScaledInstance for some more ideas UPDATE..
What is the difference between JSF, Servlet and JSP? http://stackoverflow.com/questions/2095397/what-is-the-difference-between-jsf-servlet-and-jsp and send the generated output usually just HTML CSS JS through the webserver over network to the client side which in turn..
Populating child dropdownlists in JSP/Servlet http://stackoverflow.com/questions/2263996/populating-child-dropdownlists-in-jsp-servlet let Javascript display the values in the 2nd dropdown through the HTML DOM tree the Ajax way as suggested before . The best..
How to upload files to server using JSP/Servlet? http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet It has an excellent User Guide and FAQ carefully go through both . There's also the O'Reilly cos MultipartRequest but it..
http://stackoverflow.com/questions/2723397/java-generics-what-is-pecs just accepting a Collection Thing . Case 1 You want to go through the collection and do things with each item. Then the list is..
How to use java.net.URLConnection to fire and handle HTTP requests? http://stackoverflow.com/questions/2793150/how-to-use-java-net-urlconnection-to-fire-and-handle-http-requests of the login or the first GET request and then pass this through the subsequent requests. Gather all cookies on the first request...
How do servlets work? Instantiation, session variables and multithreading http://stackoverflow.com/questions/3106452/how-do-servlets-work-instantiation-session-variables-and-multithreading and HttpServletResponse objects and pass it through the methods of the already created Filter and Servlet instances..
How do I set environment variables from Java? http://stackoverflow.com/questions/318239/how-do-i-set-environment-variables-from-java blah blah and pass any ProcessBuilder s through it before starting them. Also you probably already know this..
What's the proper way to test a class with private methods using JUnit? http://stackoverflow.com/questions/34571/whats-the-proper-way-to-test-a-class-with-private-methods-using-junit Of course you can't change private static final variables through reflection. Method method targetClass.getDeclaredMethod methodName..
Generating random numbers in a range with Java http://stackoverflow.com/questions/363681/generating-random-numbers-in-a-range-with-java . How do I solve this problem I have tried also browsing through the archive and found Expand a random range from 1 to 1 Generate..
What is a stack trace, and how can I use it to debug my application errors? http://stackoverflow.com/questions/3988788/what-is-a-stack-trace-and-how-can-i-use-it-to-debug-my-application-errors About this question quite often I see a question come through where a novice programmer is getting an error and they simply..
How do I import the javax.servlet API in my Eclipse project? http://stackoverflow.com/questions/4076601/how-do-i-import-the-javax-servlet-api-in-my-eclipse-project the appropriate servletcontainer make and version and walk through the wizard. Create new dynamic web project in Eclipse which..
How do I iterate over each Entry in a Map? http://stackoverflow.com/questions/46898/how-do-i-iterate-over-each-entry-in-a-map within it what is the most efficient way of going through the map Will the ordering of elements depend on the specific..
How do I write a correct micro-benchmark in Java? http://stackoverflow.com/questions/504103/how-do-i-write-a-correct-micro-benchmark-in-java a warmup phase which runs your test kernel all the way through enough to trigger all initializations and compilations before..
How to reference components in JSF ajax? Cannot find component with identifier “foo” in view http://stackoverflow.com/questions/8634156/how-to-reference-components-in-jsf-ajax-cannot-find-component-with-identifier value is compared to the id property and then recursively through the facets and children of the base UIComponent except that..
Efficiency of Java “Double Brace Initialization”? http://stackoverflow.com/questions/924285/efficiency-of-java-double-brace-initialization Bloch's Collection Literals proposal for Project Coin goes through we may be able to see these kinds of syntax in Java 7 List Integer..
Running ANT Programmatically Through Java http://stackoverflow.com/questions/10035188/running-ant-programmatically-through-java ANT Programmatically Through Java I've a requirement where I have to extract metrics from..
Changing Jbutton's Icon Through mouse listener http://stackoverflow.com/questions/10693762/changing-jbuttons-icon-through-mouse-listener Jbutton's Icon Through mouse listener I'm doing a board game project and I'm representing..
Launching activities within a tab in Android http://stackoverflow.com/questions/1306689/launching-activities-within-a-tab-in-android Here's the deal. I have an application with three tabs. Through various interactions with the items in the tabs I end up launching..
Java maximum memory on Windows XP http://stackoverflow.com/questions/171205/java-maximum-memory-on-windows-xp for object heap Could not create the Java virtual machine. Through trial and error it seems 1200 megabytes is the most I can allocate..
How to do a true Java ping from Windows? http://stackoverflow.com/questions/2448666/how-to-do-a-true-java-ping-from-windows that I am attempting to ping through my Java program. Through my windows command prompt I can ping the device address fine..
Cannot use a Like query in a JDBC prepared statement? http://stackoverflow.com/questions/2857164/cannot-use-a-like-query-in-a-jdbc-prepared-statement rs.next bla blah blah blah ... Returns an empty resultSet. Through basic debugging I have found its the 3rd bind that is the problem..
Is there a portable way to have “SELECT FIRST 10 * FROM T” semantic? http://stackoverflow.com/questions/3400589/is-there-a-portable-way-to-have-select-first-10-from-t-semantic but how could I decide that enough rows have been read. Through the callbacks like RowMapper and ResultSetExtractor it can't..
Find out which classes of a given API are used http://stackoverflow.com/questions/3734825/find-out-which-classes-of-a-given-api-are-used from a given API are used. Is there a good way to do that Through source code parsing or byte code parsing maybe Because Reflection..
How Can I Access an SSL Connection Through Android? http://stackoverflow.com/questions/6441158/how-can-i-access-an-ssl-connection-through-android Can I Access an SSL Connection Through Android I started following a tutorial that wasn't cased around..
How to Iterate Through an Array List (ArrayIndexOutOfBoundsException) http://stackoverflow.com/questions/6700717/how-to-iterate-through-an-array-list-arrayindexoutofboundsexception to Iterate Through an Array List ArrayIndexOutOfBoundsException So right now I..
Java source code parsers/generators http://stackoverflow.com/questions/6999500/java-source-code-parsers-generators Since Java 6 the compiler has an API included in the JDK. Through it you can access the results of the Java parser through the..
NAT Traversal with Java [closed] http://stackoverflow.com/questions/917385/nat-traversal-with-java based STUN Simple Traversal of User Datagram Protocol UDP Through Network Address Translation NAT implementation Freecast Node..
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