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Computer Science

Computer Science

Abstraction in Java

Abstraction refers to the act of representing essential features to the outside world and showing the necessary functionality.  Data Abstraction may also be defined as the process of identifying only the required characteristics of an object ignoring the irrelevant details. The properties and behaviors of an object differentiate it from …

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Features and Eco system of Hadoop

Hadoop Features

Features and advantages of Hadoop: Hadoop is an open source software frame work for storing data and running applications on commodity hardware. It stores any type of data and provides massive storage of data for enormous processing power and the ability to handle virtually limitless concurrent tasks or jobs.  Hadoop …

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HTML Basics

First Html code

HTML is a powerful basic web site designing markup language. HTML expanded as Hyper Text Markup Language.  Tim Berners Lee is a contractor at CERN , he proposed a system for CERN. Berners Lee wrote a memo to proposing an Internet based hyper text system. He specified HTML and wrote …

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Collections Framework in Java

History of Collection frame work: Java collections are a legacy frame work which contains classes and interfaces that implement commonly reusable collection of data structures. Java collection framework (JCF) it works as a library. Collection frame work was designed and developed primarily by Joshua Bloch and was introduced in JDK1.2 …

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Java Programs

seconds to hours and minutes

Write a java program to accept seconds as an input and convert into hours and minutes? import java.util.*; public class timeConvert { int sec=0,min=0,hr=0; int reminder=0; Scanner sr = new Scanner(System.in); public timeConvert(){ System.out.println(“Enter seconds to convert”); sec=sr.nextInt(); if(sec!=0){ min=sec/60; reminder=sec%60; sec=reminder; if(min>=60){ hr=min/60; min=min%60; } } System.out.println(hr+”Hours:”+min+”Minutes:”+sec+”Seconds”); } public …

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What is block chain technology?

What is Block chain Technology? Block chain technology is technology word which heard frequently in information technology sector.  First going into the term block chain technology, a block chain is a continuously or unbreakable growing list of records, called blocks and these are linked and high secured by using cryptography. …

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History of Windows Operating System

Windows Operating System: Windows is an operating which is mile stone in the history. Microsoft windows simply it is windows, is a release from Microsoft. Windows belongs to the community of Graphical user interface community. A group of operating systems grouped together and forming Windows operating system. It is a …

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