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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...
Is it possible in Java to access private fields via reflection [duplicate]
Is it possible in Java to access private field str via reflection?
For example to get value of this field.
3 Answers
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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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Why doesn't Java allow to throw a checked exception from static initialization block?
Why doesn't Java allow to throw a checked exception from a static initialization block? What was the reason behind this design decision?
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In Java, what does NaN mean?
...E Standard for Floating-Point Arithmetic (IEEE 754) quite explicitly which Java follows blindly. Reading the standard opens your eyes to a lot of things, the multiple values of zero being one of the things.
– Esko
Apr 11 '10 at 18:57
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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)
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What is Erlang written in?
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I can say that Erlang was initially written in C/C++ as
I can't say that Java is written in java.... but It's framework and
Some libraries.
About Erlang, As Its is preferred programming language and suitable
for Telecom system... in order to maintain swiftness (e.g: in chat-bots)
I know that its ...
What are bitwise shift (bit-shift) operators and how do they work?
I've been attempting to learn C in my spare time, and other languages (C#, Java, etc.) have the same concept (and often the same operators) ...
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