Last Updated on November 11, 2024 by jt Support for Structured Logging is a new Spring Boot feature introduced with the Spring Boot 3.4.0 release. Structured Logging is fairly common to use in distributed environments where you are using some type of consolidated logging. Typically, you will use a JSON log format to allow for […] The post How To – Structured Logging with Spring Boot first appeared on Spring Framework Guru ..read more

Last Updated on October 28, 2024 by jt Converting a String to char is a common task in Java. Java provides several ways to achieve this. In this blog post, we’ll cover the primary methods and highlight when to use each one. String to char Using charAt() Method The most common way to convert a […] The post How to Convert a String to char in Java first appeared on Spring Framework Guru ..read more

Last Updated on October 26, 2024 by jt The if else statement is a fundamental control structures in Java.. This structure evaluates conditions and executes code based on whether those conditions are true or false. Let’s look at how to use if, if else, and else if statements effectively. The Java if Statement An if […] The post How to Use – Java if else statement first appeared on Spring Framework Guru ..read more

Last Updated on October 25, 2024 by jt The substring() method in Java is a tool for manipulating strings. It allows you to extract a portion of a string by specifying a start index, and optionally, an end index. Basic Usage of substring() The Java substring() method has two variations: In this example: Important Details […] The post How to Use the Java Substring Method first appeared on Spring Framework Guru ..read more

Last Updated on October 22, 2024 by jt Converting an int to a String is a common task in Java, especially when working with user interfaces, file output, or JSON formatting. Java provides several ways to perform this conversion, each with different use cases and characteristics. In this blog post, I will cover the most […] The post How To Convert int to String in Java first appeared on Spring Framework Guru ..read more

Last Updated on October 22, 2024 by jt String to int conversions are a common task in Java, especially when dealing with user input or API calls. Java provides several ways to perform this conversion. This blog post will cover the most common methods for converting a String to an Integer and cover best practices […] The post How to Convert String to int in Java first appeared on Spring Framework Guru ..read more

Introduction As a Java developer, a common task you’ll encounter is converting between Java objects and JSON. The Jackson library is a powerful and widely used tool for this purpose. Whether you’re building RESTful APIs, microservices, or simply handling JSON data in your application, Jackson’s ObjectMapper class makes it easy to serialize and deserialize Java […] The post How to The Jackson Object Mapper with JSON first appeared on Spring Framework Guru ..read more

This tutorial covers the Java XOR operator, represented by the ^ symbol, which operates on boolean and integer types. It explains how XOR functions as a logical operator for booleans, returning true for different values, and performs a bitwise operation for integers, illustrating with examples and truth tables. The post The Java XOR Operator first appeared on Spring Framework Guru ..read more

The Java printf() output method is used to generate a formatted string. Data from the arguments is written and formatted placeholders. In this tutorial we will explore the functionality of the printf() method. The Java language was heavily inspired by the C programming language. As such, the printf() method is very similar in functionality to […] The post Java Output printf() Method first appeared on Spring Framework Guru ..read more

What are Structured Outputs? Using Structured Outputs is an important aspect when interacting with LLMs programmatically. LLMs, by their nature, generate unstructured output. The unstructured output does not work well with programming languages which need structure to understand the data. Through prompting techniques, you can direct the LLM to create a structured output. The format […] The post Using Structured Outputs with Spring AI first appeared on Spring Framework Guru ..read more