Jewel Chowdhury, Author at Codesnipeet

Java Collections Framework: A Complete Guide

The Java Collections Framework (JCF) is one of the most powerful and widely used features of Java, providing a unified architecture for storing, manipulating, and processing groups of objects. It is one of…

Jewel Chowdhury March 2, 2025

Interview Questions Java

Understanding the Difference Between HashSet and TreeSet in Java

When working with Java collections, two commonly used implementations of the Set interface are HashSet and TreeSet. Both are used to store unique elements, but they have significant differences in terms of internal implementation, performance,…

Jewel Chowdhury March 2, 2025

INTERVIEW Interview Questions

Understanding the Difference Between HashMap and HashTable in Java

When working with Java collections, two commonly used data structures for storing key-value pairs are HashMap and HashTable. While both are used for similar purposes, they have significant differences in terms of functionality,…

Jewel Chowdhury March 1, 2025

INTERVIEW Interview Questions Java Advanced

Understanding the Difference Between Heap and Stack Memory in Java

When it comes to memory management in Java, two key concepts often come up: Heap Memory and Stack Memory. Both are essential for the execution of Java programs, but they serve different purposes…

Jewel Chowdhury March 1, 2025

INTERVIEW Interview Questions Java

HashMap vs. TreeMap in Java: A Comprehensive Comparison

In Java, HashMap and TreeMap are two commonly used implementations of the Map interface, each serving distinct purposes and use cases. Understanding their differences is crucial for making the right…

Jewel Chowdhury September 1, 2024

Interview Questions INTERVIEW Java

Java Serialization: Can Static Values Be Serialized?

In Java, static values cannot be serialized directly. Serialization is the process of converting an object into a byte stream to store it in a file or send it over…

Jewel Chowdhury June 7, 2023

Microservice

Designing Microservices for a Monolithic Application: Strategies for Seamless Transition and Scalability

Designing microservices for a monolithic application with hundreds of tables, thousands of classes, and extensive data access requires careful consideration and planning. Here are some steps you can follow to…

Jewel Chowdhury May 17, 2023

Java

Understanding JPA: The Java Persistence API Explained

JPA stands for Java Persistence API. It is a specification for accessing, managing, and persisting data between Java objects and relational databases. JPA provides a set of interfaces and annotations…

Jewel Chowdhury May 17, 2023

Java

Why I/O Operations Are Expensive: Understanding the Factors and Solutions

I/O operations are often considered expensive in computer systems due to several factors: Hardware limitations: I/O operations involve interacting with external devices such as hard drives, network interfaces, and other…

Jewel Chowdhury May 17, 2023

Java

10 Effective Strategies to Enhance I/O Operations for Improved Performance

To improve I/O operations in your Java programs, you can consider the following strategies: Use buffering: Utilize buffering mechanisms such as BufferedReader and BufferedWriter to reduce the number of actual…

Jewel Chowdhury May 17, 2023

Java

Java I/O Operations: A Comprehensive Guide for Efficient Data Handling

In Java, input/output (I/O) operations are used to interact with external resources such as files, network sockets, and user input/output. Java provides several classes and APIs to handle I/O operations…

Jewel Chowdhury May 17, 2023

Interview Questions Testing

Demystifying the AAA Pattern: A Comprehensive Guide to Software Testing

The AAA pattern is a common way of structuring software test cases. It consists of three parts: Arrange: Set up the objects and data needed for the test. Act: Perform…

Jewel Chowdhury May 11, 2023

Interview Questions Docker

Discovering the IP Address or Hostname of a Docker Container: A Step-by-Step Guide

To find the IP address or hostname of your Docker container, you can use the following steps: Use the docker ps command to list the running Docker containers on your…

Jewel Chowdhury May 11, 2023

Interview Questions

SOAP vs REST API: Exploring the Fundamentals and Key Distinctions

SOAP API: A SOAP API (Application Programming Interface) is a web-based API that uses the SOAP (Simple Object Access Protocol) protocol to exchange structured information between software applications. SOAP API…

Jewel Chowdhury May 11, 2023

Spring Boot Interview Questions

Understanding Bean Loading Strategies in Spring Boot: A Complete Overview

In Spring Boot, there are two types of bean loading strategies: lazy loading and eager loading. Lazy loading means that the bean is only created when it is first requested.…

Jewel Chowdhury May 9, 2023

Spring Boot Interview Questions

IoC Explained with Examples in Spring Boot: Understanding Inversion of Control

Inversion of Control (IoC) is a design pattern that is widely used in Spring Boot applications. The basic idea behind IoC is to invert the control of the flow of…

Jewel Chowdhury May 8, 2023

Spring Boot

Mastering Spring Beans in Spring Boot: Comprehensive Code Examples and Configuration Tips

In Spring Boot, a Bean is an object that is managed by the Spring IoC container. Here's an example of how to define and use a bean in Spring Boot:…

Jewel Chowdhury May 8, 2023

React Js Spring Boot

Spring Boot CRUD Example with Mysql React JS part-8

Hello,Today we will create a spring boot CRUD application. In, this example, we are using the MySQL database to store data, to view and manage the data we will use…

Jewel Chowdhury August 13, 2022

React Js Spring Boot

Spring Boot CRUD Example with Mysql React JS part-7

Hello, Today we will create a spring boot CRUD application. In, this example, we are using the MySQL database to store data, to view and manage the data we will…

Jewel Chowdhury August 12, 2022

Spring Boot React Js

Spring Boot CRUD Example with Mysql React JS part-6

Hello, Today we will create a spring boot CRUD application. In, this example, we are using the MySQL database to store data, to view and manage the data we will…

Jewel Chowdhury August 11, 2022