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Sockets: Discover port availability using Java
...rammatically determine the availability of a port in a given machine using Java?
10 Answers
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Java Interfaces/Implementation naming convention [duplicate]
...ck. Not ITruck because it isn't an ITruck it is a Truck.
An Interface in Java is a Type. Then you have DumpTruck, TransferTruck, WreckerTruck, CementTruck, etc that implement Truck.
When you are using the Interface in place of a sub-class you just cast it to Truck. As in List<Truck>. Putti...
JSON Array iteration in Android/Java
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If you're using the JSON.org Java implementation, which is open source, you can just make JSONArray implement the Iterable interface and add the following method to the class:
@Override
public Iterator iterator() {
return this.myArrayList.iterator()...
How to sort a HashMap in Java [duplicate]
...cess order. And finally if you're doing a lot of this you might check out Java 1.6 and NavigableMap, awesome stuff!
– Mark Bennett
Jan 5 '12 at 0:58
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How to check for a valid URL in Java?
What is the best way to check if a URL is valid in Java?
8 Answers
8
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If using maven, usually you put log4j.properties under java or resources?
...our classpath in your run configuration: Run->Run Configurations...->Java Application->New select the Classpath tab, select Advanced and browse to your src/resources directory.
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How do you declare an interface in C++?
...special Interface type-category in addition to abstract base classes in C#/Java is because C#/Java do not support multiple inheritance.
C++ supports multiple inheritance, and so a special type isn't needed. An abstract base class with no non-abstract (pure virtual) methods is functionally equiva...
Is there a way for non-root processes to bind to “privileged” ports on Linux?
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Yes @C.Ross since it would have to be applied to /usr/bin/java and then would open the capability to any java app running on the system. Too bad capabilities cannot also be set per-user.
– joeytwiddle
Aug 15 '13 at 11:02
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Eclipse executable launcher error: Unable to locate companion shared library
... plugin and it was working perfectly for about two weeks. Today, I updated java and quicktime then restarted my computer. When it booted back up, eclipse had completely vanished - all the program files have completely disappeared. When I try to reinstall it, I get an error message that says
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What do 3 dots next to a parameter type mean in Java?
... that method.
See the "Arbitrary Number of Arguments" section here: http://java.sun.com/docs/books/tutorial/java/javaOO/arguments.html#varargs
In your example, you could call it as any of the following:
myMethod(); // Likely useless, but possible
myMethod("one", "two", "three");
myMethod("solo");
my...