I want to package my project in a single executable JAR for distribution. How can I make a Maven project pack
I generated two matrices of 1000 x 1000: First Matrix: O and #. Second Matrix: O and B. Using the following
I wanted to create a list of options for testing purposes. At first, I did this: ArrayList<String> plac
Eclipse issues warnings when a serialVersionUID is missing. The serializable class Foo does not declare
How can I convert a String to an int in Java? My String contains only numbers, and I want to return the numbe
I've always been one to simply use: List<String> names = new ArrayList<>(); I use the inte
In Java, are there clear rules on when to use each of access modifiers, namely the default (package private),
I just had an interview where I was asked to create a memory leak with Java. Needless to say, I felt pretty du
If I have an object implementing the Map interface in Java and I wish to iterate over every pair contained wit
Until today, I thought that for example: i += j; Was just a shortcut for: i = i + j; But if we try this:
How do I generate a random int value in a specific range? I have tried the following, but those do not work: A
I have an array that is initialized like: Element[] array = {new Element(1), new Element(2), new Element(3)};
I use object != null a lot to avoid NullPointerException. What is an alternative to: if (someobject != null) {
If you have a java.io.InputStream object, how should you process that object and produce a String? Suppose I
I always thought Java uses pass-by-reference. However, I've seen a blog post that claims that Java uses p
Here is a piece of C++ code that shows some very peculiar behavior. For some strange reason, sorting the data
In CodeIgniter using active record, how do I perform a not equal to in $this->db->where(). For instance