Showing Tag: "java" (Show all posts)

Merge Sort - Revisit with Fork and Join

Posted by Uday Shankar on Monday, February 23, 2015, In : Java

Linear merge sort:

private int[] mergeSort(int[] input, int fromIndex, int length) {

if (length == 1)

return new int[]{input[fromIndex]};

int mid = length >>> 1;

int[] sorted1 = mergeSort(input, fromIndex, mid);

int[] sorted2 = mergeSort(input, (fromIndex + mid), (length - mid));

return merge(sorted1, sorted2);

}

private int[] merge(int[] sorted1, int[] sorted2) {

int[] merged = new int[sorted1.length + sorted2.length];

int ...

Counting Classes and Methods in a package

Posted by Uday Shankar on Friday, October 3, 2014, In : Java

This is just a utility i created joining these blog posts:

How can I count the number of methods in a Java class ?
and
Get All Classes Within A Package

import java.io.File;

import java.io.IOException;

import java.lang.reflect.Method;

import java.net.URL;

import java.util.ArrayList;

import java.util.Enumeration;

import java.util.List;

/**

* Counts the number of classes and methods in a package.

public class CountPackageMethods {

/**

* Scans all classes accessible from the context class loader w...

XML vs. JSON vs. Protocol Buffer : A Comparative Study

Posted by Uday Shankar on Friday, September 5, 2014, In : Design

XML

Extensible Markup Language (XML) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable.

XML Structure

XML Declaration

XML documents may begin by declaring some information about themselves, as in the following example:

<?xml version="1.0" encoding="UTF-8" ?>

Tag

A markup construct that begins with < and ends with >. Tags come in three flavors:

start-tags; for example: <section>

end-tags; for example: </section>

empty-...

Interview Preperations

Posted by Uday Shankar on Tuesday, August 7, 2012, In : interview

Collectable links ...

How Hashmap Work s

GOF Design patterns Examples

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XML Properties

Posted by Uday Shankar on Friday, March 19, 2010, In : Java

While building one of the java projects i came across properties files. They are kind of configuration files which are easy to use in java as java provide its apis. But with time i found that properties files are limited in a way like it does not have properties of a property or it could not have two or more values for the same property. For quite some time i was looking for a solution but it seems it is a less traveled path. Hence i had tried to develop something similar to properties api bu...
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