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Is there a method for String conversion to Title Case?
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There are no capitalize() or titleCase() methods in Java's String class. You have two choices:
using commons lang string utils.
StringUtils.capitalize(null) = null
StringUtils.capitalize("") = ""
StringUtils.capitalize("cat") = "Cat"
StringUtils.capitalize("cAt...
Convert light frequency to RGB?
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For lazy guys (like me), here is an implementation in java of the code found in @user151323 's answer (that is, just a simple translation from pascal code found in Spectra Lab Report):
static private final double Gamma = 0.80;
static private final double IntensityMax = 255;
/**...
Overriding the java equals() method - not working?
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In Java, the equals() method that is inherited from Object is:
public boolean equals(Object other);
In other words, the parameter must be of type Object. This is called overriding; your method public boolean equals(Book other...
Reintegrate can only be used if revisions X through Y were previously merged from to reintegra
... the
reintegrate source, but this is not the case:
trunk/proj/src/main/java/com/foo/furniture.java
Missing ranges: /trunk/proj/src/main/java/com/foo/furniture.java:18765-18920
To find the files with mergeinfo information you can do:
cd ~/svn/branches/2.7
svn propget -R svn:mergeinfo .
Then ...
Random shuffling of an array
...e function yourself, using for example the Fisher–Yates shuffle:
import java.util.*;
import java.util.concurrent.ThreadLocalRandom;
class Test
{
public static void main(String args[])
{
int[] solutionArray = { 1, 2, 3, 4, 5, 6, 16, 15, 14, 13, 12, 11 };
shuffleArray(solutionArray);
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Why are C# interface methods not declared abstract or virtual?
...();
}
In the CIL, the method is marked virtual and abstract.
(Note that Java allows interface members to be declared public abstract).
For the implementing class, there are some options:
Non-overridable: In C# the class doesn't declare the method as virtual. That means that it cannot be overrid...
Why can't we have static method in a (non-static) inner class?
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In C++ you can have, so this is a bug in the Java language.
– Industrial-antidepressant
Oct 23 '13 at 16:57
39
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How to make a Java class that implements one interface with two generic types?
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I'll say it: This is a flaw with Java. There's absolutely no reason we shouldn't be allowed to have multiple implementations of the same interface, provided that the implementations take different arguments.
– gromit190
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Is asynchronous jdbc call possible?
...creating millions of actors on a standard JVM setup.
If you're targeting Java, Akka Framework is an Actor model implementation that has a good API both for Java and Scala.
Aside from that, the synchronous nature of JDBC makes perfect sense to me. The cost of a database session is far higher tha...
Difference between >>> and >>
What is the difference between >>> and >> operators in Java?
7 Answers
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