Day: April 20, 2018

Converting a Java Map to a List is a very common task. Map and List are common data structures used in Java. A Map is a collection of key value pairs. While a List is an ordered collection of objects in which duplicate values can be stored. In this post, I will discuss different ways to […]Continue reading

MySQL is the most popular open-source database management system. MySQL uses a relational database and Structured Query Language (SQL) to manage its data. In this post, I’ll show you how to install MySQL on Ubuntu. Installing MySQL There are two ways to install MySQL on Ubuntu. First is to use one of the versions included […]Continue reading

When you are developing Spring Boot applications with database interactions, you typically use Hibernate as the Object Relationship Mapping (ORM) tool. Instead of directly coupling your code with Hibernate, often you’d rather use Spring Data JPA, a Spring Framework project. Spring Data JPA makes implementation of the data access layer incredibly easy by abstracting most […]Continue reading

A common requirement while programming in Java is to convert String to int. UI inputs in Web-based HTML, JSP, or Thymeleaf templates are transferred to backend Java applications as strings. It is the application developer’s responsibility to perform any String to int conversions to fulfill business logic, such as calculating discounts, storing age, and so […]Continue reading