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How to create a memory leak in Java?
I just had an interview, and I was asked to create a memory leak with Java.
Needless to say, I felt pretty dumb having no clue on how to even start creating one.
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Create a List of primitive int?
Is there a way to create a list of primitive int or any primitives in java like following?
10 Answers
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Java - sending HTTP parameters via POST method easily
...out. Change the URL and the POST params as appropriate, of course:
import java.io.*;
import java.net.*;
import java.util.*;
class Test {
public static void main(String[] args) throws Exception {
URL url = new URL("http://example.net/new-message.php");
Map<String,Object> p...
Java SafeVarargs annotation, does a standard or best practice exist?
I've recently come across the java @SafeVarargs annotation. Googling for what makes a variadic function in Java unsafe left me rather confused (heap poisoning? erased types?), so I'd like to know a few things:
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How do I parse command line arguments in Java?
What is a good way of parsing command line arguments in Java?
20 Answers
20
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OSGi, Java Modularity and Jigsaw
...s a secondary goal it will offer a module system that may be used by other Java libraries and applications.
My position is that something like Jigsaw is probably necessary for the JRE only, but that it will create far more problems than it claims to solve if used by other Java libraries or apps.
T...
How can I initialize a String array with length 0 in Java?
The Java Docs for the method
String[] java.io.File.list(FilenameFilter filter)
includes this in the returns description:
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Default initialization of std::array?
...zero-initialize any aggregate is with the syntax = {}. This works since C++98. Note that C-style arrays cannot have zero extent, and that sizeof (std::array< X, 0 >) is not zero.
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How do I set up IntelliJ IDEA for Android applications?
... all skip trivial steps.
So here's the full guide:
Download and install Java JDK (Choose the Java platform)
Download and install Android SDK (Installer is recommended)
After android SD finishes installing, open SDK Manager under Android SDK Tools (sometimes needs to be opened under admin's pr...