java

# Extracting a Substring with Regex: Unleashing the Power of Regex Magic ✨✂️ So, you have a string that contains a valuable piece of information trapped between two single quotes, and you're wondering how to use regex to extract it. Well, fear not! We're

# 😎 How to Exclude Specific Fields from Serialization using Gson 😎 If you're struggling with field exclusion when working with Gson, you're not alone. Gson is a powerful library for converting Java objects to JSON and vice versa, but sometimes excluding

# How to Fix JsonMappingException If you're encountering the dreaded `JsonMappingException: No suitable constructor found for type [simple type, class ]: can not instantiate from JSON object` error, don't fret! 🤔 I've got your back. In this blog post, I'

# Infinite Recursion with Jackson JSON and Hibernate JPA issue: A Simple Guide 🔄 Have you ever encountered the dreaded "Infinite recursion" error when converting a JPA object with bi-directional associations into JSON using Jackson JSON and Hibernate JPA

# Convert jsonString to JSONObject in Java: A Simple Guide 👩‍💻📚 Are you struggling to convert a jsonString to a JSONObject in Java? 🤔 Don't worry, we've got you covered! In this post, we'll walk you through the common issues you might encounter and pr

# Ignoring new fields on JSON objects using Jackson 😎🔥 So, you're using the Jackson JSON library to convert JSON objects to POJO classes in your Android application. But here's the catch: the JSON objects might change and have new fields added while you

# Jackson with JSON: Unrecognized field, not marked as ignorable 🤔 If you're working with JSON in Java using Jackson and you encounter the error "Unrecognized field, not marked as ignorable", fear not! This blog post will guide you through common

## 💡 Should I declare Jackson's ObjectMapper as a static field? If you have been using the Jackson library in your Java projects, you might have come across the question of whether to declare the `ObjectMapper` as a static field or an instance-level fiel

# 🎯 Java: Convert List&lt;String&gt; to a `join()`d String ## 💡 The Problem You might have come across a scenario where you need to convert a `List<String>` to a joined string, just like JavaScript's `Array.join()` method does. However, you may not be a