What are Java lambda expressions and when would you use them?
Java lambda expressions are a feature introduced in Java 8 that provide a concise way to represent functional interfaces (interfaces with a single abstract method) using an expression instead of a full class implementation. Essentially, lambdas allow you to pass behavior (i.e., a block of code) as an argument to methods, providing more readable, […]
What is garbage collection in Java?
Garbage Collection Tutorial for Beginners A crucial concept in Java, this question tests understanding of memory management. Candidates should explain that garbage collection is an automatic process by which Java’s JVM reclaims memory used by objects that are no longer referenced. Garbage Collection How It Works? Garbage collection (GC) in Java is the process of […]