Comprehensive Guide to Preparing for Software Fresher Interviews at TCS, Infosys, and Wipro

Introduction Landing a job as a software fresher at leading IT companies like TCS, Infosys, and Wipro can be a game-changer for your career. These companies offer excellent growth opportunities, training programs, and exposure to a wide range of technologies. Read More …

Employee Management System with core Java

Introduction The Employee Management System will manage employee records, including features to add, update, delete, and display employees. It will use Java 8 features like Lambda expressions, streams, and the Observer design pattern. Part 1: Requirement Gathering and Feature Discussion Read More …

Simple Banking System Using Core Java

Introduction The Simple Banking System will manage customer bank accounts, including features to create accounts, deposit money, withdraw money, and view account details. This project covers Java fundamentals like classes, inheritance, and exception handling. Part 1: Requirement Gathering and Feature Read More …

Library Management System

Introduction The Library Management System will help students manage books in a library. It will include features to add, view, update, and delete books. This project covers Java fundamentals like classes, methods, lists, and basic file I/O. Part 1: Requirement Read More …

Student Management System Using Code Java

Let’s create a comprehensive Java project for class 10 & 12 students that covers core Java concepts and features. We’ll develop a simple “Student Management System” which can manage student records, including adding, viewing, and deleting student information. This project Read More …

Understanding Hashing: Hash Tables and Hash Functions

Introduction Hashing is a fundamental concept in computer science used to efficiently map data of arbitrary size to fixed-size values, known as hash values or hash codes. This process involves the use of hash functions and hash tables, which enable Read More …

Understanding Binary Search: A Step-by-Step Guide

Introduction Binary Search is a fundamental algorithm in computer science, widely used due to its efficiency in finding elements in a sorted array. Unlike linear search, which checks each element sequentially, binary search divides the search interval in half repeatedly, Read More …

Understanding Key Questions in Website Management: A Simple Guide

Introduction Managing a website involves various technical aspects, but understanding key concepts doesn’t have to be complicated. In this guide, we’ll break down some common questions in website management into simple terms, making it easier for everyone to understand. From Read More …

Java Program For Student

Average of three number Calculate Area of a Circle Factorial Calculation Check if a Number is Prime Fibonacci Series Palindrome Check Sum of Digits Matrix Addition Reverse a String Armstrong Number Check Binary to Decimal Conversion Factorial using Recursion Check Read More …

Binary Search Algorithm in Java (Student)

Introduction Binary search is a more efficient search algorithm compared to linear search, especially for sorted arrays. It divides the array into two halves and eliminates half of the remaining elements at each step. Java Code Explanation: This program demonstrates Read More …

Linear Search Algorithm Implementation in Java (Student)

Overview Linear search is a simple searching algorithm that iterates through the elements of a list or array in a linear manner to find a specific value. It is straightforward but may not be the most efficient for large datasets. Read More …

Java Sorting Program for Student

Introduction A sorting algorithm is a step-by-step method used to arrange a list of items in a specific order. One common sorting algorithm is the ‘Bubble Sort.’ In Bubble Sort, the algorithm compares adjacent elements in the list and swaps Read More …

Java Interview Program Example(s)

Introduction This blog contains information related to interview coding problems implemented using Java programming language. Please find the examples below – This program helps to find the Duplicate records from a given Integer Array.

Best practices and process to improve software backend developer productivity and efficiency

Improving software backend developer productivity and efficiency involves adopting best practices and optimizing processes. Here are some key practices and processes along with detailed examples and explanations: By incorporating these practices and processes, a software development team can enhance productivity, Read More …

Realtime Project Code From GitHub Repository

Introduction Hello Friends, Welcome to knowledgeWala.com.This blog contains all information related to various project ideas and source code available in the GitHub Repository. The user has to create an account in GitHub to get the benefits of open source code. Read More …

Code Peer Review Checklist

The code peer review is an important process in the software development life cycle. It should be implemented and followed properly.This Video blog helps our development team to prepare and use a code peer review checklist to streamline the code Read More …

Python Programming – Code Example

Introduction This tutorial helps to write and understand sample programs written in the Python programming language. Python is a fast-growing language and is used in many fields nowadays.We suggest the developer copy the code and try to run it in Read More …

Java Stream Creation Code Example

This Java Program helps to create Stream from various collections like List, Set, Array, etc. This Java Program helps to understand the way the Java Stream process can be processed. The developer can generate a Stream process from a Collection Read More …

Online Pet Store and Services Ltd.

Introduction Welcome to Online Pet Store and Services Ltd.  This business plan is to get and prepare detailed information about the “OPSS” Application. The OPSS business helps customers to utilize the various services by just clicking on the mouse using Read More …

Restore Bookmark on Mozilla Firefox

Introduction The internet is dominating the entire world wherever human species spread. The Internet browser plays a very critical role to access the information and use the internet. The human used to save the information somewhere and internet browser provides Read More …

LIST OF JAVA PROGRAMS For Student

Introduction This tutorial contains a variety of Java Program which is more useful for the student of 10th and 12th. The student will get the full program code developed using the eclipse IDE. Also, the student can copy the program Read More …

Java Program to Encoding a word into Pig Latin

Introduction This program helps to encode an input word to Pig Latin. Pig Latin is a way to encode a word. A Pig Latin is an encrypted word in English, which is generated by doing the following alterations: The first Read More …

Java Program – Check two strings are Anagram

Introduction The Two string will be anagram to each other if and only if they contain the same number of characters (order of the characters doesn’t matter). We have written this program using Java technologies, please find the code in Read More …

Java Program to reverse a Map Key to Value and Value to Key

Introduction This program helps to reverse Key to Value and Value to Key for a Map Data Structure. There are various ways to write the program and the KW team will prepare a program using a few of them. Please Read More …

Java Program – Pick the Element by interval from the List

Introduction This program helps to retrieve a list of the objects from another list of objects based on initial index value and Interval. This is a very common requirement when a developer wants to generate the sample report from a Read More …

Java Program – Quadratic Equation Solution Application

Introduction This Java Application helps to find out the value of X for a quadratic equation using the Shridharacharya formula. Sridhar Acharya (c. 870, India – c. 930 India) was an Indian mathematician, Sanskrit pundit andphilosopher. He was born in Read More …

Java Comparator Example

Introduction The Java Comparator class helps to understand how a comparator implemented in Java programming language. This program has Reporter class which and the object of this class will be used to sort by age. Please find the entire program Read More …

Java Swing – Fahrenheit to Celsius Conversion Application

Introduction This Java Swing Program helps to convert Fahrenheit to Celsius. The user has to enter the Fahrenheit and hit the enter button to allow the program to convert to Celsius.   Program Code KWFahrenheitApp.java   package com.kw.javaswing; import javax.swing.JFrame; Read More …

Java Swing Program to generate Jtable with Add, Delete & Update Operation

Introduction The Java Swing is very important Programming skills nowadays as it helps Developer to develop Java Program with GUI. This Java Swing Program helps to generate JTable. The user will add, update & delete the contents of the Table. Read More …

Java – Calendar Generator App Project using Core Java

Introduction This Application helps to generate Calendar from January to December for any year which user want to generate. The user can generate calendar for the past as well for the future. There are no restrictions to generate the Calendar Read More …

Eclipse : Set Java File Format And Set Font Size

Introduction Eclipse is very popular IDE (Integrated Development Environment) tool which used by more than 80% of Java/J2ee developer in across the world. There are many functionalities which developer can set so it can benefit while developing a project. Every Read More …

Java Program to Send Mail

Introduction This Program will help to send mail to others using Java Program. The Develop can use this  program to build an application or APP which can send notification when any action happened like task assignment, task removal, comment on Read More …

Programing/Coding Interview Questions

Introduction This post will have most important interview Coding and analytics questions which used to ask in most of the reputed companies like Google, Amazon, NetApp, Wells Fargo etc. We are just adding Questions to this post and the technical Read More …

Java Program to Read Specific contain from Files

Introduction This program helps us to verify and retrieve some information based on specific text available in the file. it will verify text against the file and will retrieve next few lines of information from the same type of files Read More …

Java DB Setup with Example

Introduction Sun Microsystems recently announced that it is distributing and supporting Java DB based on the 100 percent Java technology, open-source Apache Derby database. Derby was previously available under its earlier name, Cloudscape, from its former owners: Cloudscape, Informix, and IBM. IBM Read More …

Java Program to find frequency of every digit in a number

Introduction This program helps to retrieve Frequency of the digits from provided number. Like number 52458 is having below frequency: Digit Frequency 2 1 4 1 5 2 8 1   FlowChart Please find the flowchart of program below – Read More …

Java Program to check for Automorphic Number

  Introduction This program helps to check that entered number is a Automorphic Number or not. In mathematics an automorphic number (sometimes referred to as a circular number) is a number whose square “ends” in the same digits as the Read More …

Java program to check Special 2 Digit Number

  Introduction This program helps to check whether it is special two Digit number or not. Special Two Digit Number are number for which sum of it’s  sum of it’s digits and product of it’s digits is equal to the Read More …

Java Program to check Fibonacci Series

Introduction In mathematics, the Fibonacci numbers are the numbers in the following integer sequence, called the Fibonacci sequence, and characterized by the fact that every number after the first two is the sum of the two preceding ones. Example: 0,1,1,2,3,5,8,13,21,34,…………………… Read More …

Java Program to check for Disarium Number

Introduction This program helps to check Disarium Number for a given number. In a simple word we can say “A number will be called Disarium if the sum of its digits powered with their respective position is equal with the Read More …

Java Program to Remove Duplicate Characters from a Word

Introduction This program helps to remove duplicate character from the input string. Like we passed String as “Dharmendra” and a is duplicate in the string so result will be “Dharmend“. Flowchart Please find sample flowchart diagram for this program as Read More …

Java program to find the GCD (Greatest Common Division) of two numbers

Introduction This program helps to find Greatest  Common Division from two given number. First of all we have to understand GCD, it is called as Greatest or highest common different in mathematics. In Simple World we can say – the Read More …

Java Program to check Harshad Number

Introduction This program helps to check that entered number is Harshad Number or not. Before start writing code we have to understand Harshad Number and how it calculated. Harshad Number is a positive integer which is divisible by the sum Read More …

Important Java Program(s) for Professional and Students

Introduction Java programming is very important and it is getting more popular day by day.  Learning Java is also easy now a days as many website available and providing good tutorials, Learner can go though those website to get basic Read More …

Java Program to check Pronic Number or Heteromecic Number Program

Introduction This tutorial will help you to understand Pronic Number or Heteromecic Number Program. In-order to start writing any program we have to understand business requirement and what is the problem. As we know that Pronic Number or Heteromecic Number Program Read More …

How to install Knowledgewala Apps on your android Mobile

Introduction This tutorial will help to install knowledgewala apps on you android mobile. Using this android apps, User can read tutorials thorough their Mobile Phone.It will be very easy and convenient to access knowledgewala website through your Mobile anywhere and Read More …

Java Program to check for Duck Number

Introduction This program helps to check weather number is a Duck Number or not. A Duck number is a number which has zeroes present in it, but there should be no zero present in the beginning of the number.    Read More …

Library Management Project using Core Java

Introduction This page contains Library management system project developed using Core Java technologies only to maintain library and Books details. This project is having basic features and it helps the developer to understand core java functionality and start the project. Read More …