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Core Java

How to Traverse All Files from a Folder in Java
Traversing all files in a folder is a common task in Java, whether you need to read files, filter them…
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Core Java

Gson Support for Java 8 Date-Time Types
Java 8 introduced a robust date and time API with classes such as LocalDate, LocalDateTime, and ZonedDateTime. These classes provide…
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Core Java

How to exclude fields in Gson
Google Gson is a library for serializing and deserializing Java objects to and from JSON. Sometimes, it is necessary to…
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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

Vigenere Cipher in Java
The Vigenere 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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