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Java8 Lambdas vs Anonymous classes
Since Java8 has been recently released and its brand new lambda expressions looks to be really cool, I was wondering if this means the demise of the Anonymous classes that we were so used to.
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Why is “throws Exception” necessary when calling a function?
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In Java, as you may know, exceptions can be categorized into two: One that needs the throws clause or must be handled if you don't specify one and another one that doesn't. Now, see the following figure:
In Java, you can thro...
File.separator vs FileSystem.getSeparator() vs System.getProperty(“file.separator”)?
...S, this functionality would allow you to use both (assuming I also wrote a Java Filesystem provider).
– Bringer128
Nov 10 '11 at 6:05
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How do I read all classes from a Java package in the classpath?
I need to read classes contained in a Java package. Those classes are in classpath. I need to do this task from a Java program directly. Do you know a simple way to do?
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What is the meaning of “this” in Java?
...ut explains very well all different uses of the this keyword:
Definition: Java’s this keyword is used to refer the current instance of the method on which it is used.
Following are the ways to use this:
To specifically denote that the instance variable is used instead of static or local variab...
Size-limited queue that holds last N elements in Java
A very simple & quick question on Java libraries: is there a ready-made class that implements a Queue with a fixed maximum size - i.e. it always allows addition of elements, but it will silently remove head elements to accomodate space for newly added elements.
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Get OS-level system information
I'm currently building a Java app that could end up being run on many different platforms, but primarily variants of Solaris, Linux and Windows.
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Accessing last x characters of a string in Bash
...iourf_gniourf
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Similarity String Comparison in Java
...in Edit Distance
// See http://rosettacode.org/wiki/Levenshtein_distance#Java
public static int editDistance(String s1, String s2) {
s1 = s1.toLowerCase();
s2 = s2.toLowerCase();
int[] costs = new int[s2.length() + 1];
for (int i = 0; i <= s1.length(); i++) {
int lastVa...
What is the “volatile” keyword used for?
...t usage. Could you please tell me what it should be used for in C# and in Java?
8 Answers
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