A candle loses nothing by lighting another candle.
In today’s fast-paced digital world, real-time data is critical for making informed decisions. From e-commerce clickstreams to IoT sensor data, the ability to process and analyze information as it arrives provides a significant competitive advantage. This blog post will demystify Read More …
Overview In the dynamic world of software engineering, the journey from writing lines of code to architecting complex, scalable systems is a path that requires not only technical prowess but also a unique blend of vision, leadership, and motivation. This Read More …
Headline: Your First Steps into the World of Apache Kafka Target Audience: Tech-savvy individuals, students, or small business owners who are thinking about using Kafka and want a clear, conceptual understanding of the process. Blog Content: So, you’ve heard about Read More …
1. Introduction — What is a Sequence? Imagine you’re at a movie theatre ticket counter. Each customer gets a unique ticket number — 1, 2, 3, 4… This numbering happens automatically and ensures no two customers have the same ticket number. In databases, a sequence Read More …
Headline Options: Introduction Shift from current examples to where AI is headed, maintaining the simple, useful, and real-time focus. Acknowledge that AI is constantly evolving. What’s Next for AI? Considerations & A Balanced View (Briefly touch on important aspects): Conclusion Read More …
Handling cross-cutting concerns, such as security, in a Microservices architecture requires careful planning and implementation. Here are some approaches and best practices to handle security in a Microservices architecture: Remember that security is an ongoing process, and it should be Read More …
1. Introduction 1.1 Purpose The purpose of this document is to provide developers with a comprehensive understanding of how to implement retry logic with exponential backoff in a Spring Boot application using the @Retryable annotation. 1.2 Scope This document covers the implementation Read More …
Data consistency in a microservices architecture can be a challenging aspect to handle due to the distributed nature of the system. Here are some strategies and patterns that can help you ensure data consistency: Remember that the choice of data Read More …
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 …
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.
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
Clustering is a data analysis technique used in machine learning and data mining. It involves grouping similar data points together based on their characteristics or attributes. The purpose of clustering is to discover inherent patterns, structures, or relationships in the Read More …
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 …
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 …
To deploy a newer version of a live website, follow these steps: Remember, each website deployment may have unique requirements and considerations. It’s crucial to adapt these steps to fit your specific environment and needs.
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 …
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 …
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 …
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 …
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 …
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 …
Introduction This tutorial contains common important shortcuts for eclipse. Please find them in below in tabular format. Add your comments, if you want to add or know any new one which is not mentioned here. Key Purpose Ctrl+Shift+L Shows all Read More …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
Introduction Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. It automates the process of checking Java code to spare humans of this boring (but important) task. This makes it ideal for Read More …
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 …
Introduction PMD is an alternative to FindBugs and it is having good name in the market. PMD stands for Programming Mistake Detector. It is a free source code analysis tool which helps you to find the bugs in your java Read More …
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 …
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 …
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 …
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 …
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 …
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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 …
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 …
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 …
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 …
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 …
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 …
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 …
Introduction In this section, we are giving few java interview programs faced by some of my friends. If you come across any questions, post it to me. I can provide solutions. You can email me at dknitk@rediffmail.com. How to Read More …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
This post receives all the relevant questions which asked while HR Interview. Many applicants rejected from HR interview due to lack of knowledge and practice. This tutorial will attempt to describe all related questions with examples. Q1. Tell me about Read More …
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 …