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How to cast an Object to an int
How can I cast an Object to an int in java?
19 Answers
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How to center a Window in Java?
What's the easiest way to centre a java.awt.Window , such as a JFrame or a JDialog ?
16 Answers
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Why is the Java main method static?
The method signature of a Java main() method is:
37 Answers
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Frontend tool to manage H2 database [closed]
... I just fire up the built-in org.h2.tools.Server and browse port 8082:
$ java -cp /opt/h2/bin/h2.jar org.h2.tools.Server -help
Starts the H2 Console (web-) server, TCP, and PG server.
Usage: java org.h2.tools.Server
When running without options, -tcp, -web, -browser and -pg are started.
Options a...
Java multiline string
...Stephen Colebourne has created a proposal for adding multi-line strings in Java 7.
Also, Groovy already has support for multi-line strings.
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Java String - See if a string contains only numbers and not letters
I have a string that I load throughout my application, and it changes from numbers to letters and such. I have a simple if statement to see if it contains letters or numbers but, something isn't quite working correctly. Here is a snippet.
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Java “Virtual Machine” vs. Python “Interpreter” parlance?
It seems rare to read of a Python "virtual machine" while in Java "virtual machine" is used all the time.
13 Answers
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How do I join two lists in Java?
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In Java 8:
List<String> newList = Stream.concat(listOne.stream(), listTwo.stream())
.collect(Collectors.toList());
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Is there a way to simulate the C++ 'friend' concept in Java?
I would like to be able to write a Java class in one package which can access non-public methods of a class in another package without having to make it a subclass of the other class. Is this possible?
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Using Regex to generate Strings rather than match them
I am writing a Java utility which helps me to generate loads of data for performance testing. It would be really cool to be able to specify a regex for Strings so that my generator spits out things which match this. Is there something out there already baked which I can use to do this? Or is th...