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Simple Project on Spring Boot, Ngnix, Certbot, Docker, MySQL
In this article, we explain how to start a simple project with Spring Boot, Ngnix, Certbot, and MySQL. Working with...
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WireGuard VPN Installation by Wizard
WireGuard is a fast, modern, secure VPN tunnel. You can set up your server in several clicks with a help...
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Java String substring() Method
Often programmers need to extract substrings from String objects in Java. It’s possible by the String class substring() method. As...
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Comparing Strings in Java
There are three approaches to how to compare strings in Java. Java String CompareTo(), Equals() methods and comparing by reference...
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JDBC Transaction Management in Java
Java has a lot of units dedicated to interacting with databases. One of them is the JDBC unit, which means...
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Polymorphism in Java
What is Polymorphism Polymorphism – this term comes from ancient Greek and means “poly” – many, “morphos” – forms. In...
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Advanced Immutable Objects in Java
What are Immutable Objects in Java? These objects are multifunctional and immutable that can be used in different parts of...
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JVM Structure Overview. Memory Distribution
The JVM greatly simplifies and automates memory handling in Java programs. The programmer simply declares variables without even worrying about...
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Optional in Java Overview
Java Optional – represents a container object that may or may not contain a non-null value. If the value is...
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Design and Build REST Multi-Module Spring Boot Project
This article explains how to create a multi-module Spring Boot project with different approaches. We will consider the usage of...