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 …

Integrating HubSpot with a Spring Boot Application: A Step-by-Step Guide

Introduction In this tutorial, we will guide you through the process of integrating HubSpot with a Spring Boot application. HubSpot is a powerful CRM platform that offers various APIs to manage contacts, deals, and more. We’ll focus on creating a Read More …

Integrating Dialpad with a REST API Using Spring Boot: OTP Verification and Document Retrieval

Description In this tutorial, we will guide you through integrating Dialpad with a REST API using Spring Boot. We will focus on verifying user authentication based on their phone number using an OTP (One-Time Password), and then sending a document Read More …

Learning Data Science Step by Step Part 1

Introduction: Data science is a powerful tool that allows us to extract meaningful insights from raw data. In this case study, we’ll dive into the fascinating world of predicting housing prices. Our goal is to develop a model that accurately Read More …

Java Program for Board Exam Student

Define a class to accept 10 integers and arrange them in descending order using bubble sort technique print the original array and sorted array.​ Here’s a Java program that defines a class to accept 10 integers and arranges them in Read More …

Backend Code Design Discussion

Explore the intricacies of our backend code design as we delve into the architecture, services, and key components shaping the foundation of our system. Join us for a focused discussion on the elegance, scalability, and efficiency embedded in our backend Read More …

Code Deployment Verification Information

Verifying code deployment in a pre-production environment involves checking both the frontend and backend components to ensure that the deployment was successful and that the application functions as expected. Here are some points to consider for both frontend and backend 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.

Spring Boot and React JS TODO Application

TODO Application Overview This proof of concept application helps to learn Spring Boot and React JS technologies. The user will be able to perform given action items – Creating a complete todo application with Spring Boot (for backend) and React.js Read More …

Relational Database Overview

Relational Database Architecture is a structured way of organizing data in a database management system (DBMS) that follows the principles of the relational model. The relational model was introduced by Edgar F. Codd in 1970 and has since become the Read More …

How to think like a Software Architect?

Thinking like a software architect involves a combination of technical knowledge, problem-solving skills, and the ability to balance various considerations to design effective software solutions. Here are some key aspects to consider when thinking like a software architect: Remember that Read More …

How to handle service discovery and registration in a Microservices architecture?

In a Microservices architecture, service discovery and registration are essential components for enabling communication between services. The primary goal is to allow services to locate and connect with each other dynamically, without hard-coding specific endpoints or configurations. Here are some Read More …

How to handle deployments and rollbacks in a Microservices architecture?

In a Microservices architecture, managing deployments and rollbacks can be challenging due to the distributed nature of the system. However, with proper planning and the right tools, you can handle deployments and rollbacks effectively. Here are some best practices to Read More …

Advantages & Disadvantages of Microservices Architecture

Microservice architecture is an approach to software development where an application is broken down into smaller, loosely-coupled services, each independently deployable and manageable. While microservices offer several advantages, they also come with some challenges. Here are the pros and cons Read More …

How to monitor and troubleshoot Microservices?

Monitoring and troubleshooting microservices can be challenging due to their distributed nature. However, there are several best practices and tools available to help you effectively monitor and troubleshoot microservices. Here’s a step-by-step guide: Remember, monitoring and troubleshooting microservices is an Read More …

How to handle service versioning and backward compatibility in a Microservices architecture?

Handling service versioning and backward compatibility in a Microservices architecture is crucial to ensure smooth evolution and maintenance of your system. Here are some best practices for managing service versioning and backward compatibility: By following these practices, you can effectively Read More …

How to handle service governance and lifecycle management in a Microservices architecture?

Handling service governance and lifecycle management in a microservices architecture involves implementing various practices and tools to ensure effective management, scalability, and maintainability of the services. Here are some key steps and considerations: Remember, microservices governance and lifecycle management are Read More …

How to handle testing and continuous integration in a Microservices architecture?

Testing and continuous integration (CI) in a Microservices architecture can be challenging due to the distributed nature of the system. However, with proper strategies and tools, you can effectively handle testing and CI in a Microservices architecture. Here are some Read More …

How to handle service resiliency in case of failures?

Handling service resiliency in case of failures involves implementing strategies and best practices to ensure that your system can recover from failures and continue operating with minimal disruption. Here are some key approaches to consider: Remember that the specific strategies Read More …

Best Relational Databases for Enterprise Application

Choosing the best relational database for an enterprise application depends on various factors such as the specific requirements of the application, scalability needs, performance expectations, data volume, budget, and existing infrastructure. Here are some popular and commonly used relational databases Read More …

Is java technologies dying?

No, Java technologies are not dying. Java continues to be one of the most widely used programming languages and is still heavily utilized in various domains, including enterprise software development, Android app development, and large-scale web applications. It has a Read More …

What are the difference between Springboot and Springboot Cloud?

Spring Boot and Spring Cloud are related but distinct frameworks within the broader Spring ecosystem. Here are the key differences between Spring Boot and Spring Cloud: In summary, Spring Boot is focused on simplifying the development of standalone Spring applications, Read More …

What are the difference between Swagger and OpenAPI?

Swagger and OpenAPI are related but distinct terms in the context of API documentation. Here’s a breakdown of their relationship and the key differences between them: Swagger OpenAPI Key Differences In summary, Swagger was the original framework, and OpenAPI is Read More …

What is Swagger?

Swagger is an open-source software framework that helps developers design, build, document, and consume RESTful web services. It provides a set of tools and specifications for creating and working with APIs (Application Programming Interfaces). At its core, Swagger is a Read More …

What is Spring data ?

Spring Data is a project within the larger Spring Framework ecosystem that aims to simplify the development of data access layers in Java applications. It provides a consistent and unified API for interacting with different data storage systems, such as Read More …

How to analyze software application production issues?

Analyzing software application production issues requires a systematic approach to identify, isolate, and resolve the problems. Here’s a step-by-step guide on how to analyze software application production issues: Remember, software application production issues can be complex and may require iterative Read More …

Difference Between Springboot and Quarkus?

Introduction Spring Boot and Quarkus are both popular frameworks used for developing Java applications. While they serve similar purposes, there are some key differences between them: In summary, Spring Boot is a mature and widely adopted framework with extensive features Read More …

Quarkus Database Connectivity Example

Sure! Quarkus is a popular Java framework for building cloud-native applications, and it provides excellent support for database connectivity. Here’s an example of how you can connect to a PostgreSQL database using Quarkus: Add the necessary dependencies to your project’s Read More …

What is Quarkus?

Introduction Quarkus is a framework for building cloud-native, lightweight, and efficient Java applications. It is designed to optimize Java applications for containerized environments, serverless architectures, and Kubernetes. Quarkus aims to provide fast startup times, low memory usage, and high throughput, Read More …

Hospital Management System application development code using springboot microservice and mongo database

Introduction This document helps our developer to understand and start developing springBoot and MongoDB-based applications. This is a very simple project and users can copy and extend it. Here’s an example of how you can develop a Hospital Management System Read More …

Walk me through the process of gathering system requirements.

Gathering system requirements is a crucial step in the software development life cycle. It involves identifying, documenting, and prioritizing the needs and expectations of the stakeholders for a given system. Here’s a step-by-step guide to help you through the process: Read More …

Name the differences between object-oriented and component-based design.

Object-oriented design and component-based design are both popular approaches to software development, but they differ in several key aspects. Here are the main differences between object-oriented design and component-based design: Both object-oriented design and component-based design have their strengths and Read More …

What is scalability?

Scalability refers to the ability of a system, network, or software application to handle an increasing amount of work, users, or data without sacrificing performance or efficiency. It is a desirable characteristic that allows a system to adapt and accommodate Read More …

Software Architect Interview Questions with Answers

Introduction This blog contains interview questions and answers related to software architect roles. This will contain questions related to various categories like – Please click on the Question to read detailed information. How would you deploy a newer version of Read More …

Serverless implementation using Springboot

Introduction We can provide you with an example of a Serverless architecture using Spring Boot. In this example, we’ll create a simple RESTful API using Spring Boot and deploy it to AWS Lambda using the Serverless Framework. Here are the Read More …

Serverless Architecture

Introduction Serverless architecture is a cloud computing model where developers can build and run applications without the need to manage servers. In serverless architecture, the cloud provider takes care of server management, automatic scaling, and resource allocation based on the Read More …

How to write a spring batch program?

To write a Spring Batch program, you’ll need to follow a series of steps. Here’s a general outline of the process: Step 1: Set up the project Step 2: Define the Job Step 3: Define the Steps Step 4: Define Read More …

Engineering Manager Interview Question with Answers

What qualities do you believe make a successful engineering manager? Successful engineering managers possess strong technical expertise, effective communication skills, and the ability to lead and inspire their team. They should also have excellent problem-solving abilities, be adaptable to change, Read More …

Event/Task Reminder System

Introduction The Event/Task Reminder application helps to send reminder notifications to the available email or mobile set by a user in the system.The architecture of this application is based on a 3-tier architecture and some batch programs which execute asynchronously. 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 …

Automate Build Script – From SVN Download To Ant Target

  Introduction There is a huge and painful job when the project is big and required a lot of ant target to be executed to build the project. IBM Cúram is also a very big project and required to execute Read More …

Abstract Factory Design Pattern & Implementation Using Java

Introduction The Abstract Design Pattern is a creational Design Pattern and used to create Family of Objects. The abstract design pattern is very important to design pattern and used in a situation where the user wants to create a family Read More …

Java Program to add and display address From Address Book

Introduction This Java Program will help to add and display address from the Address Book. It is just a simple java program which helps to understand Java Technology. There may be many different ways to write a program and we Read More …

Eclipse: Update variable value in debug perspective at runtime

Introduction This is a common question asked by many developers to update the value of the variable at runtime in eclipse. This article will help to explain possible ways to update the variable values at runtime. It was a long Read More …

Software Engineer Interview Questions for entry and Mid Level – Part3

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

Software Engineer Interview Questions for entry and Mid Level – Part2

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

Software Engineer Interview Questions for entry and Mid Level – Part1

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

Interview Questions for Experience Software Engineer

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

eclipse: Findbugs Plugin Configuration on eclipse

Introduction FindBugs is an open source project for a static analysis of the Java bytecode to identify potential software bugs. Findbugs provides early feedback about potential errors in the code. This helps the developer to access these problems early in Read More …

How to install Knowledgewala Apps on your IOS Mobile (Iphone)

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

Oracle Java Certification Exams (OCAJP) Mock Exam Part2

Introduction This Java test assesses the basic and medium knowledge of Java programming language and OOP principles. Put your Java know-how to the test and see how well you understand its syntax and object oriented programming concepts. Topics: Java language Read More …

Oracle Java Certification Exams (OCAJP) Mock Exam Part1

Introduction This tutorial helps to check your knowledge for Java short question for Interview and Certification preparation. Also, it will helps to improve your efficiency and accuracy along with speed of solving questions which matters at the  time of exam. Read More …

CBSE Board Class X Mathematics Mock Exam Part 2

Introduction This tutorial helps to check your knowledge for mathematical short question for 10th Standard. Also, it will helps to improve your efficiency and accuracy along with speed of solving questions which matters at the  time of exam. Please start Read More …

Factory Design Pattern & Implementation Using Java

  Introduction Factory design pattern is very important and useful design patter and used in various industrious & technologies. Factory design pattern is useful whenever we want to hide the object creation logic from the outside world. It is hiding Read More …

Singleton Design Pattern Using Serialization

Introduction Singleton Design Pattern is complex to implement at Distributed environment, Where we have multiple JVM install. Multiple threads will invoke the Singleton class from various environment simultaneously which cause multiple object creation. We need to implement Serializable interface in Read More …

Singleton Design Pattern Using Java

  Introduction This tutorial will highlight the importance of Singleton Design pattern using java implementation. It explains various ways of implementation with flaw in the implementation. Singleton design pattern is one of the most common patterns you will see in Read More …

IBM Curam KeyServer Generation

Introduction This tutorial aims to explain KeyServer generation technique for unique value for a specific column for one or more tables. Curam provides a technique to generate unique IDs across the application tables based on KeyServer name. The goal is to Read More …

IBM Curam – How to implement Dynamic Query

Introduction Dynamic Query Implementation is a very important concept in curam. Dynamic queries help reduce the development effort significantly. Using Dynamic Query, developers can retrieve data from various tables using hand-crafted SQL within Java program. Also, developers can take advantage Read More …

IBM Cúram Exception Handling Overview

Introduction Java exception handling enables your Java applications to handle errors sensibly. Exception handling is a very important yet often neglected aspect of writing robust Java applications or components. When an error occurs in a Java program it usually results Read More …

Design Pattern with Examples for Java/J2EE

Introduction Design Patterns are very popular among software developers. A design pattern is a well described solution to a common software problem. Some of the benefits of using design patterns are: Design Patterns are already defined and provides industry standard Read More …

Oracle Database Connection With Examples

To achieve this, JDBC specifications are agreed upon within the Java community–and each database vendor is then left to implement these specification to work with their product. Oracle Drivers Oracle provided two types of Drives. Thin OCI OCI   The OCI Read More …

Java database connection Code Examples

Introduction JDBC is an unofficial acronym for java database connectivity. JDBC helps us to connect to a database and execute SQL statements against a database. JDBC api provides set of interfaces and there are different implementations respective to different databases. Read More …

MySQL Database Connection With Examples

Introduction MySQL is a popular open source database which can be used free of charge. MySQL is a relational database. Web applications can use this database to store persistence data. This post explains how to set up Java applications to Read More …

Eclipse Part2– Useful Configuration and Settings For Eclipse

Introduction: This post explains about eclipse useful and important configuration and setting which required for every developer who used eclipse as primary IDE(Integrated Development Environment) for project development.   Effective Eclipse – Shortcut Keys The less you touch the mouse, Read More …

Eclipse Part1– Useful Configuration and Settings For Eclipse

Introduction: The static code analysis tools Code Formatter, Findbugs, PMD and Checkstyle are widely used in the Java development community. Each has an own purpose, strength and weaknesses. This post explains about eclipse useful and important configuration and setting which required Read More …

Student Information System Using Core Java

Introduction The main purpose of this post is to provide overview of Student Information System application to end user. This application used in all educational institution for knowing student information including student name, roll number, address, parents details, fee details, marks in Read More …

Sample Software Engineering Projects

Introduction Software programming (Software Engineering) courses are most often complemented by a software engineering project where a team of students has to develop a large/mini software system. Project development required a lot of efforts and guideline to develop best project. 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 …

IBM Curam Sample Interview Question(s)

Introduction:  This post contain various import questions which asked during interview process. Candidates who are planning to prepare interview for Curam technology will get help from this post. It explains all important questions which candidate may face, please check questions Read More …

Core Java Examples For Practice

Core Java Examples for Practice This section explains Core Java examples for beginners. User can practice these example in their local system. Also, students who started java as their programing skills will get help to enhance their skills. Factor of Read More …