1. String vs. StringBuilder | When to use String and StringBuilder in Java? Feature String StringBuilder Definition String is an immutable class in Java, which means once an object is created, its value cannot be changed. StringBuilder is used to create mutable string objects, which means we can change the content of the StringBuilder object.… Read More »
What is Dependency? When a class or object depends on another class or object for its functioning, it is called dependency. For example, Say we have two classes: company and employee, and the company class needs employees to work. We can say that company class depends on the employee. What is Circular Dependency? When we… Read More »
In Spring Boot, Job scheduler (Spring Boot Scheduler) is a feature that provides the facilities to automate the executions of tasks at specified interval. It is very useful in terms of running background jobs, periodic maintenance activity or any activity that needs to be performed. Spring Boot supports various scheduling strategies which allows us to… Read More »
In an application, we use caching to reduce the round-trip between the application and the database. If our application triggers the database every time, it will take more time to return the response, which will further cause the performance issue. In order to avoid this problem, we enable a caching mechanism that first triggers the… Read More »
In this tutorial, we develop a Spring Boot application that will use the Redis Database and perform CRUD Operation. Step to implement Spring Boot Redis example Step 1- Download Redis In order to use the Redis database, we need to download and install Redis. Till January 2022, Redis does not have official support for Windows… Read More »
A URL shortener is a service that takes a long URL and generates its short version, which contains a sequence of characters that points to the original URL. The primary purpose of this service is to create more user-friendly and manageable links that are easy to share, especially while sharing over platforms that have limited… Read More »
Sometimes in enterprise applications, we are required to configure the collection name from the properties file to our entity (model) class instead of hardcoding the collection name. In this tutorial, we will learn to inject Collection name in @Document from properties file. Steps to inject Collection name in @Document from properties file We are using… Read More »
The term Dockerize refers to the process of packaging an application and its dependencies into containers using Docker. Docker is an open-source platform that helps developers automate the deployment of applications into lightweight and portable containers that contain everything needed to run the application, including the source code, libraries, and system tools. In this tutorial,… Read More »
Docker is a platform that is used for developing, shipping and running applications inside containers. The containers are lightweight and portable units that package the application and its dependencies, enabling them to run consistently across different environments (DEV, SIT, and PROD) as well as on different systems. In this tutorial, we will learn how to… Read More »
Spring Batch is an open-source framework and one of the core modules of Spring Framework. It is used to create a robust batch processing application that provides error handling, recovery mechanisms, easy scalability, and parallel processing of large volumes of data in Java applications. In this tutorial, we are going to use a Spring Batch… Read More »