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 […]
How does the `synchronized` keyword work in Java?
Get Started Synchronized Tutorial For Beginners The synchronized keyword is used to control access to a method or a block of code by multiple threads. It ensures that only one thread can access the synchronized block or method at any given time, making it essential for thread safety in concurrent programming. This prevents race conditions […]
