Hey, Tea Lovers! Today let’s look at the most asked interview question, IS-A & HAS-A relationship. Both…
Tag: java8
Interview Question: Comparable vs Comparator
most asked interview question, Comparable vs Comparator. Both beginners and experienced persons get this question in…
How to use groupingBy Collector in Java Streams
Stream API's groupingBy is similar to GROUP BY of SQL since it groups and collects the…
The Things I Love and Use from Java 11
Java 11 with Improved productivity and less repetition. No need of external libraries for small things.…
A Day in the Life of Java Code in JVM
Today we will talk about Java Memory Management with the example. We will look at the…
Get Ready to Deep Dive in Java Memory Management: Structure of JVM Memory
Memory management is the process of allocation and de-allocation of objects from memory, it's done automatically…
Most Loved Interview Question: How HashMap Works in Java
An interview cant be complete without this question. HashMap working contains most of the concept we…
Reduce NullPointerExceptions with Optional in Java 8 & Beyond
"Billion Dollar Mistake?". NullPointerException is the most common and frequently appeared error compared to others, especially…