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Inheritance in Java: Instantiating a Subclass
In the previous post, we learned how to create a single-level class hierarchy of an arbitrary depth. We created an asset management system, and the top-level class in this system was Asset.
Class Concepts in Java (Part-1)
IntroductionA class is a template that encapsulates data and the methods that operate on this data, as in the Employee or Automobile class described e
Encapsulation in Object Oriented Programming (OOPS)
Another big concept associated with object-oriented programming is encapsulation. Every class contains some data in its fields. We hide these fields by declaring them private. We define getter/setter methods to access them.
Information Hiding in Object Oriented Programming (OOPS)
In our everyday life, many of us oftentimes try to hide information from other people. In many situations, the information hiding is an essential part of our life.
JDK 1.0: Code Name Oak
So far, in previous posts, we have discussed the features of Java referring to its very first version, JDK 1.0. Over time, Java has grown and expanded a lot and has had many new features added to its repertoire.
Evolution of Java Programming Language
The Java programming language was originated and developed at Sun Micro systems under the guidance of Net luminaries James Gosling and Bill Joy, was d
HBase Architecture: Introduction and RegionServers(Part-1)
The reason that folks such as chief financial officers are excited by the thought of using Hadoop is that it lets us store massive amounts of data across a cluster of low cost commodity servers — that’s music to the ears of financially minded people.
Big Data: HBase as Distributed, Persistent, Multidimensional Sorted Map
Now we are very well familiar with the power packed characteristics and nature of Hbase. As we define already Hbase is a big data tool (used by Hadoop
The Android API
Android is a fairly complex system, but we do not need to understand it in depth to be able to make amazing apps. The portion of the Android system wh
Big Data: ACID versus BASE Data Stores
I think back in our school days, almost all of us have studied about difference between ACID” and “BASE in chemistry. There we use to distinguish betw
Pig Script Interfaces and Mode of Running in Hadoop
Local and Distributed Modes of Running Pig ScriptPig has two modes for running scripts: Local Mode and MapReduce Mode:Local mode:All scripts are run o
Introduction to Ooize in Hadoop
Moving data and running different kinds of applications in Hadoop is great stuff, but it’s only half the battle. For Hadoop’s efficiencies to truly st