ArrayList and LinkedList are both part of the Java List interface, but they differ in their underlying data structures, performance characteristics, and use cases. Here’s
In Java, == and equals() are both used to compare objects, but they serve different purposes and behave differently depending on the context. Let’s break
In Java, static variables and static methods are associated with the class rather than instances of the class. This difference in association affects where they
CountDownLatch is a synchronization aid that allows one or more threads to wait until a set of operations being performed by other threads is completed.
The Thread.join() method in Java is used to ensure that the calling thread waits for the thread on which join() is called to finish its
In Spring Boot, both Feign and RestTemplate are used to make HTTP calls to external services or microservices, but they have different approaches and use
Spring Cloud Gateway and Spring Cloud Load Balancing are both components in the Spring Cloud ecosystem but serve different purposes in a microservices architecture. Below
In Spring Boot, both @Valid and @Validated annotations are used to trigger validation on data (e.g., request body, method parameters), but they have different use
Both @ControllerAdvice and @RestControllerAdvice are annotations in Spring that provide centralized exception handling, model binding, and other cross-cutting concerns across multiple controllers. However, there is
In Java, primitive data types are basic data types that are not objects. They include: int: 32-bit signed integer. Used for storing whole numbers.double: 64-bit