Introduction to JaCoCo: A Comprehensive Guide with Code Examples

Introduction to JaCoCo JaCoCo, short for Java Code Coverage, is a widely-used tool for measuring code coverage in Java applications. It provides detailed information on how much of your code is executed during automated tests, helping you assess the effectiveness of your test suite. In this tutorial, we'll delve into JaCoCo's key features, installation,…


OpenSSL Tutorial with Examples

Introduction OpenSSL is a versatile open-source toolkit that provides support for Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols. It is widely used for cryptographic functions, including generating and managing certificates, creating secure connections, and encrypting data. In this tutorial, we'll explore some common OpenSSL commands and use cases with practical examples.…


Using Keytool and Cacerts in Java

Introduction Keytool is a command-line utility included with the Java Development Kit (JDK) that allows users to manage cryptographic keys, X.509 certificates, and certificate signing requests. The cacerts file is the default keystore file containing trusted certificate authorities (CAs) in Java. In this tutorial, we'll cover the basics of using Keytool to manage certificates…


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