NoSuchBeanDefinitionException: The Most Common Spring Bean Error
Learn how to fix NoSuchBeanDefinitionException in Spring Boot with clear examples and best practices for dependency injection, package scanning, and bean registration.
BeanCurrentlyInCreationException: Circular Dependencies in Spring
Spring Boot’s DI can backfire with the dreaded BeanCurrentlyInCreationException, signaling an unresolvable circular dependency. Learn why cycles occur, how they breach SOLID principles, and three fixes—refactor to break loops, use @Lazy injection, and static @Bean factory methods—to restore startup.
What are the different approaches or styles in designing and building APIs?
REST, SOAP, GraphQL, and gRPC are some approaches or styles in designing and building APIs. This lesson talks about each of them in detail with tabulation comparison.
What is an API?
APIs are tools that allow two software programs to talk to each other by following specific rules and guidelines.
Byte Primitive Type in Java
Understanding byte is essential, especially when working with large amounts of data or optimizing your program's memory usage. We'll cover its size, range, use cases, and provide example usage to solidify your understanding. What is the byte Type? In Java, byte is one of the eight
Memory Allocation: Stack vs. Heap
Understanding where and how primitive types are stored in memory is crucial for writing efficient Java programs. Java uses two main types of memory allocation: stack and heap. Memory allocations Stack Memory What is the Stack? The stack is a region of memory that stores local variables and method calls.
What Are Primitive Data Types In Java?
Introduction Data types in Java are divided into two types that are used to define variables include: 1. Primitive data types 2. Non-primitive (or reference) data types. Sketch The following sketch helps you understand how everything is divided based on its type. Primitive data types In Java, most of
Understanding Java Type System
Understanding the concepts of strong typing, static vs. dynamic typing is essential as they influence how Java handles data, enforces rules, and ensures the reliability of your programs. Understanding Java's Type System A type system in programming languages defines how variables are declared, what kinds of values they
What Are Types in Java?
In this lesson, you will learn and explore the fundamental concept of types in Java. Understanding types is crucial as they form the backbone of managing and manipulating data in Java programs. 1. What Are Types in Java? 2. The Importance of Types 3. Primitive Types vs. Reference Types By