Computer Science

A string buffer is similar to String, but the difference is string cannot be modified but String Buffer is modified. String Buffer is thread safe and mutable sequence of characters. At any point in time it contains some particular sequence of characters, but the length and content of the sequence …

Know the database management concept is essential to everyone, as a fresher must have knowledge in any database like MySql, Oracle..etc. Now I am using Oracle to give brief explanation about the creation deletion updating of the database table. Oracle provides Enterprise, mobile Express editions. Express edition is light weight …

Functional Keys and General Short cut keys F1 [Display Help] F2 [Rename the selected item] F3 [Search for a file or folder] F4 [Display the address bar list in File Explorer] F5 [Refresh the active window] F6 [Cycle through screen elements in a window or on the desktop] F10 [Activate …

It is a sorting technique. It improves bubble sort by making only one exchange for every pass through the list of elements. First selection sort looks for the largest value when it through the pass and after completing the pass, after that it place in a proper location. Time complexity …

Bubble sort also known as Sinking sort, it is a simple sort algorithm that repeatedly steps through the list to be sorted, compares each pair of adjacent items and swaps them if they are in the wrong order. The pass through the list is repeated until no swaps are needed, …

In this article I am going to explain how to compare two excel sheets data and highlight the missing data. This article is helpful in BPO industry those who are dealt with finance and insurance sector. Now a day’s everything automated in this comparison of two excel sheets is taking …

In this Article we are discussing about theExceptions and how to handle our custom exceptions in java. First we need to know about the what is Exception and what is Error? Exception is an abnormal condition which stops the execution of the program but an Error is sub class of …

Q1).State the different types of linked lists? ANS). The different types of linked list includes, single linked list, double linked list and circular linked list. Q2).List the basic operations carried out in a linked list? ANS). The basic operation carried out in a linked list includes *creation of a list …

Servlet Filters: If you are a beginner in web application programming, then you have a doubt however the user unless logged in to the account access the resources. Most of the beginners don’t know how solve this problem.This is avoided by using . The basic functionality of the servlet filter …