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Different results with Java's digest versus external utilities
I have written a simple Java class to generate the hash values of the Windows Calculator file. I am using Windows 7 Professional with SP1 . I have tried Java 6.0.29 and Java 7.0.03 . Can someone tell me why I am getting different hash values from Java versus (many!) external utilities and/or ...
How can I interrupt a ServerSocket accept() method?
... Strange, that there is no this info in docs: download.oracle.com/javase/6/docs/api/java/net/… method is not marked as throwing SocketException. It is only mentioned here download.oracle.com/javase/1.4.2/docs/api/java/net/…
– Vladislav Rastrusny
Ap...
Can two Java methods have same name with different return types? [duplicate]
Can two Java methods have the same name with different return type ? The return type of the methods are different and they are declared with the same method's name.
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What are “sugar”, “desugar” terms in context of Java 8?
I hear about 'sugaring' and 'desugaring' more often in Java 8, what does these terms mean ? are they conceptual or syntactical.
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Create ArrayList from array
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@Adam Please study the javadoc for java.util.List. The contract for add allows them to throw an UnsupportedOperationException. docs.oracle.com/javase/7/docs/api/java/util/… Admittedly, from an object-oriented perspective it is not very nice that...
What is the relative performance difference of if/else versus switch statement in Java?
...g a custom Servlet oriented framework, too many servlets, is this an issue
Java Front Controller
If you're worrying about Java EE webapplication performance in general, then you may find this article useful as well. There are other areas which gives a much more performance gain than only (micro)op...
Eclipse: Enable autocomplete / content assist
...ce for autocomplete. Then select the desired method and wait 500ms for the javadoc info to pop up.
If this doesn't work go to the Eclipse Windows menu -> Preferences -> Java -> Editor -> Content assist and check your settings here
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I can’t find the Android keytool
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keytool comes with the Java SDK. You should find it in the directory that contains javac, etc.
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How do I set the proxy to be used by the JVM
Many times, a Java app needs to connect to the Internet. The most common example happens when it is reading an XML file and needs to download its schema.
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Using Java to find substring of a bigger string using Regular Expression
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This is a working example :
RegexpExample.java
package org.regexp.replace;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class RegexpExample
{
public static void main(String[] args)
...