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Core Java
Custom Field Names with @SerializedName in Gson
Gson is a popular Java library for converting Java objects to their JSON representation and vice versa. One of the…
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Core Java
Vigenère Cipher in Java
The Vigenère cipher is a classic method of encryption that utilizes a keyword to create a more complex substitution, making…
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Core Java
Fixing Ambiguous Method Call Errors in Mockito
In Java, method overloading allows a class to have multiple methods with the same name but different parameter lists. However,…
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Java
Extract the Common Name (CN) from an X509 Certificate in Java
The Common Name (CN) is a critical field within an X509 certificate that identifies the entity owning the certificate. In…
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Enterprise Java
Retrieving Lists of Entities from a Database Using Hibernate
Hibernate is a powerful Object-Relational Mapping (ORM) framework for Java that simplifies the interaction between an application and a database…
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Enterprise Java
Spring Prototype Beans with Runtime Arguments
Spring offers various bean scopes, with the default being singleton, which creates a single instance throughout the application. Prototype scope,…
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Core Java
Setter Methods vs Constructors for Setting Variables in Java
In object-oriented programming (OOP) with Java, the decision to employ setter methods or constructors for setting variables is pivotal. Both…
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Core Java
InputStream vs. InputStreamReader in Java
Working with data streams in Java is fundamental for interacting with files, network connections, and other sources. Among the key…
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Enterprise Java
REST API Security with Spring Security JWT Token Signing
Securing REST APIs is important in today’s web development, especially with microservices becoming more common. A popular way to do…
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