How to traverse a folder or directory recursively using Java File API

28,122 views
By Abhijit Ghosh on Jul 16, 2012 12:34:24 PM

This example shows how we can traverse a folder or directory structure using recursive algorithm by writing a small java program using Java File API.

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How to perform binary search on a java.util.ArrayList

20,720 views
By Abhijit Ghosh on Jul 14, 2012 11:22:17 PM

This example shows how an element of a java.util.ArrayList can be searched using 'binarySearch' method of java.util.Collections class. This method internally applies binary search algorithm to search a particular element.

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Java Hello World Example using Eclipse IDE

42,286 views
By Abhijit Ghosh on Jul 8, 2012 1:14:44 PM

This article describes how to create a "Hello World" java program using Eclipse IDE. This program will print "Hello World" in the console.

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About this 'Hello World' site

This site is mainly developed to share coding and technology learning experiences on java / j2ee based technologies.

Simple tutorials / codes have been shared to learn a new technology. Full source code is also available for download.