#java Development Tutorials & Tips | Roast Dev

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🍃Are You Making These Mistakes in Spring Boot Testing? Best Practices You Need to Know! 🍃

Testing is the backbone of any robust Spring Boot application. Yet, many developers make avoidable mistakes that lead to flaky, slow, or unreliable tests. If you’ve ever faced issues like tests rand...

03.04.2025 0 Read More

Implementing Design Systems in Java: Proven Integration Methods for Consistent UIs

As a best-selling author, I invite you to explore my books on Amazon. Don't forget to follow me on Medium and show your support. Thank you! Your support means the world! In the world of Java develop...

03.04.2025 0 Read More

What I learned from Head First Java: Arrays and ArrayList

Java offers multiple ways to store collections of data, but two of the most commonly used option (Arrays and ArrayLists) often confuse. In this article, I'll break down the differences between these t...

03.04.2025 0 Read More

Much Simpler Alternative to Spring Profile

Real Case Scenario - Vault Vendor A Single configuration only One of our customers uses an external service for their Vault service, which requires some proprietary dependencies and ...

03.04.2025 0 Read More

𝗔𝗿𝗿𝗮𝘆𝗟𝗶𝘀𝘁 𝘃𝘀 𝗟𝗶𝗻𝗸𝗲𝗱𝗟𝗶𝘀𝘁: 𝗪𝗵𝗶𝗰𝗵 𝗢𝗻𝗲 𝗦𝗵𝗼𝘂𝗹𝗱 𝗬𝗼𝘂 𝗖𝗵𝗼𝗼𝘀𝗲?

...

03.04.2025 0 Read More

DAY-9 Understanding Runtime Errors in Java

Runtime Errors in Java IntroductionJava is a robust and versatile programming language, but like all programming languages, it is prone to runtime errors. Unlike compile-time errors, which ar...

03.04.2025 0 Read More

Day 5: Static Methods

*static in Java * In Java, the static keyword is used to define class-level members (variables, methods, blocks, and nested classes) that belong to the class itself rather than to individual ...

03.04.2025 0 Read More

Day 6: Predefined vs user-defined & Parameters vs Arguments.

Predefined vs. User-Defined Methods in Java 1. Predefined Methods (Built-in Methods) Predefined methods are ready-to-use functions that come with Java's standard libraries. They are ...

03.04.2025 0 Read More

Day-13: Data Types in Java - Class-Specific and Object-Specific Data Types

1). Primitive Data Types: The Java programming language is statically-typed, which means that all variables must first be declared before they can be used.example: int grear = 1;A primitive type i...

03.04.2025 0 Read More

AWS SNS (Amazon Simple Notification Service) & Spring Boot with Email as subscriber

Introduction The concepts of "topic" and "subscribe" are often linked, especially in contexts like messaging systems, event-driven architectures, or content platforms. Publisher: This is the ...

03.04.2025 0 Read More

🍃Are You Making These Mistakes in Spring Boot Testing? Best Practices You Need to Know! 🍃

Implementing Design Systems in Java: Proven Integration Methods for Consistent UIs

What I learned from Head First Java: Arrays and ArrayList

Much Simpler Alternative to Spring Profile

𝗔𝗿𝗿𝗮𝘆𝗟𝗶𝘀𝘁 𝘃𝘀 𝗟𝗶𝗻𝗸𝗲𝗱𝗟𝗶𝘀𝘁: 𝗪𝗵𝗶𝗰𝗵 𝗢𝗻𝗲 𝗦𝗵𝗼𝘂𝗹𝗱 𝗬𝗼𝘂 𝗖𝗵𝗼𝗼𝘀𝗲?

DAY-9 Understanding Runtime Errors in Java

Day 5: Static Methods

Day 6: Predefined vs user-defined & Parameters vs Arguments.

Day-13: Data Types in Java - Class-Specific and Object-Specific Data Types

AWS SNS (Amazon Simple Notification Service) & Spring Boot with Email as subscriber

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