Java developers often use HashMap for key-value storage, but LinkedHashMap offers specific advantages when order matters. Both implement the Map
Category: Java Interview questions
Spring DI: Constructor vs @Autowired Injection Explained
In the Spring Framework, dependency injection (DI) can be done in multiple ways. The two most common approaches are Constructor Injection and @Autowired (Field/Setter Injection).
Java 25: The Future of Concurrency with Virtual Threads
For years, Java developers have been told the same story: “Concurrency is hard — but powerful.” We accepted it. We learned thread pools, executors, synchronization,
Java Incubator vs Preview Features: What Developers Need to Know
The Java platform keeps evolving at a remarkable pace. With new releases arriving every six months, the language and runtime are constantly expanding with fresh
Minimum Deletion Cost to Avoid Repeating Letters
This is a Leet Code problem (1578 – Minimum Deletion Cost to Avoid Repeating Letters) solved in Java, the problem description is:
Given a string s and an array of integers cost where cost[i] is the cost of deleting the ith character in s.
Remove Duplicates from Sorted Array
This is a Leet Code problem solved in Java, the problem description is:
Difference between Synchronized & Volatile in Java
volatile keyword in Java is field modifier while synchronized modifies code blocks and methods. synchronized acquires and releases locks on entire code block or method
Javascript Hoisting : Function Hoisting
In Previous article, We have looked into how Javascript Hoisting works. Hoisting is Javascript’s default behavior of moving declarations to top of the file. There