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java Programming Glossary: classHow to upload files to server using JSP/Servlet? http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet getPart to work @WebServlet upload @MultipartConfig public class UploadServlet extends HttpServlet ... Then implement its doPost..
Overriding equals and hashCode in Java http://stackoverflow.com/questions/27581/overriding-equals-and-hashcode-in-java equals to compute hashCode . Use the excellent helper classes EqualsBuilder and HashCodeBuilder from the Apache Commons.. from the Apache Commons Lang library. An example public class Person private String name private int age ... public int hashCode..
GUI not working after rewriting to MVC http://stackoverflow.com/questions/3066590/gui-not-working-after-rewriting-to-mvc places but it simply does not work at all Main public class Main public static void main String args Model model new Model.. view.setVisible true Model import java.util.Random public class Model static final int LINE 5 SCORE 10 OPTIONS 20 Pin pins new.. for int i 0 i LINE i combination i generator.nextInt 6 1 class Pin private int color X Y radius public Pin X 0 Y 0 radius 0..
How do servlets work? Instantiation, session variables and multithreading http://stackoverflow.com/questions/3106452/how-do-servlets-work-instantiation-session-variables-and-multithreading threadunsafe The below example illustrates that public class MyServlet extends HttpServlet private Object thisIsNOTThreadSafe..
How to avoid Java Code in JSP-Files? http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files whenever the same functionality is possible by tag classes. Here are several cites of relevance From JSP 1.2 Specification.. than often this code is to be placed in a fullworthy Java class. If you want to invoke the same Java code on every request less.. you end up with just a JSP Facelets page and a Javabean class without the need for a custom servlet. If you want to invoke..
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 your timing phase since printing loads and initializes classes. Do not load new classes outside of the warmup phase or final.. printing loads and initializes classes. Do not load new classes outside of the warmup phase or final reporting phase unless.. phase or final reporting phase unless you are testing class loading specifically and in that case load only the test classes..
http://stackoverflow.com/questions/5621338/how-to-add-jtable-in-jpanel set. @author Andrew Thompson @version 2011 04 12 class NestedLayoutExample public static void main String args Runnable..
In Java, what's the difference between public, default, protected, and private? http://stackoverflow.com/questions/215497/in-java-whats-the-difference-between-public-default-protected-and-private This Java tutorial may be of some use to you. Modifier Class Package Subclass World ”——————————†”—————†”———————â€..
Setting multiple jars in java classpath http://stackoverflow.com/questions/219585/setting-multiple-jars-in-java-classpath are a part of the JVM. java cp Test.jar lib my.package.MainClass Key gotchas Use quotes Use only not .jar The above example and.. on this page. Thanks davorp et al Wim Deblauwe From the Classpath document section entitled Understanding class path wildcards.. section entitled Understanding class path wildcards Class path entries can contain the basename wildcard character which..
What is a raw type and why shouldn't we use it? http://stackoverflow.com/questions/2770321/what-is-a-raw-type-and-why-shouldnt-we-use-it names String name String o System.out.println name throws ClassCastException java.lang.Boolean cannot be cast to java.lang.String.. two exceptions where raw types must be used in new code Class literals e.g. List.class not List String .class instanceof operand..
In Java, what is the best way to determine the size of an object? http://stackoverflow.com/questions/52353/in-java-what-is-the-best-way-to-determine-the-size-of-an-object o Add the following to your MANIFEST.MF Premain Class ObjectSizeFetcher Use getObjectSize public class C private int..
How to: generic array creation http://stackoverflow.com/questions/529085/how-to-generic-array-creation import java.lang.reflect.Array class Stack T public Stack Class T clazz int capacity array T Array.newInstance clazz capacity.. contains i.e. its constructor was explicitly called with a Class E argument and methods will throw an exception when they are.. write public class GenSet E private E a public GenSet Class E c int s Use Array native method to create array of a type..
read/write to Windows Registry using Java http://stackoverflow.com/questions/62289/read-write-to-windows-registry-using-java systemRoot Preferences.systemRoot private static Class extends Preferences userClass userRoot.getClass private static.. private static Class extends Preferences userClass userRoot.getClass private static Method regOpenKey null private.. static Class extends Preferences userClass userRoot.getClass private static Method regOpenKey null private static Method..
Can't get ArrayIndexOutOfBoundsException from Future<?> and SwingWorker if thread starts Executor http://stackoverflow.com/questions/7053865/cant-get-arrayindexoutofboundsexception-from-future-and-swingworker-if-threa static final long serialVersionUID 1L @Override public Class getColumnClass int column return getValueAt 0 column .getClass.. long serialVersionUID 1L @Override public Class getColumnClass int column return getValueAt 0 column .getClass table.setPreferredScrollableViewportSize.. getColumnClass int column return getValueAt 0 column .getClass table.setPreferredScrollableViewportSize table.getPreferredSize..
What does the <TYPE> in java mean? http://stackoverflow.com/questions/12649572/what-does-the-type-in-java-mean have seen declarations interfaces and classes that go TYPE CLASS What does this do mean java syntax share improve this question..
Why I am getting this output in my Java code? http://stackoverflow.com/questions/12966285/why-i-am-getting-this-output-in-my-java-code System.out.println iter.next HERE IS ALL OF THE CLASSES Stack http pastebin.com 2HVLVHuM Queue class http pastebin.com.. pastebin.com yeA34MNd I CAN ONLY WRITE CODE IN THE STACK CLASS. The point of this was to Implement a stack using queues. Hope..
What does it mean for a method to be public/private/other in java? [closed] http://stackoverflow.com/questions/2647289/what-does-it-mean-for-a-method-to-be-public-private-other-in-java it means it can only be accessed by objects OF THE SAME CLASS For instance in this new definition class David public String..
http://stackoverflow.com/questions/3107970/annotations-retention-policy the java.lang.annotation.RetentionPolicy costants SOURCE CLASS RUNTIME and the term retaining annotation java annotations.. Example @Override @SuppressWarnings RetentionPolicy.CLASS Discard during class load. Useful when doing bytecode level..
create java console inside the panel http://stackoverflow.com/questions/342990/create-java-console-inside-the-panel
Why doesn't a missing annotation cause a ClassNotFoundException at runtime? http://stackoverflow.com/questions/3567413/why-doesnt-a-missing-annotation-cause-a-classnotfoundexception-at-runtime which seems like it should've been @Retention CLASS anyway but for many other annotations it seems like it could..
Where do Java and .NET string literals reside? http://stackoverflow.com/questions/372547/where-do-java-and-net-string-literals-reside 528 0x210 bytes Array Rank 1 Number of elements 128 Type CLASS Element Methodtable 00696d3c 0 025d1360 1 025d137c 2 025d139c..
How to convert a java program to daemon with jsvc? http://stackoverflow.com/questions/7687159/how-to-convert-a-java-program-to-daemon-with-jsvc EXEC usr bin jsvc JAVA_HOME usr lib jvm java 6 sun CLASS_PATH usr share java commons daemon.jar path to your.jar CLASS.. usr share java commons daemon.jar path to your.jar CLASS example.Main USER foo PID tmp example.pid LOG_OUT tmp example.out.. LOG_ERR tmp example.err do_exec EXEC home JAVA_HOME cp CLASS_PATH user USER outfile LOG_OUT errfile LOG_ERR pidfile PID 1..
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