With Spring can I make an optional path variable?, Yes, you can make a path variable optional in Spring by using @PathVariable with the required attribute set to false. However, fo...

🧩 LeetCode Challenge: Merge Sorted Array | Top Interview Questions [Java Solution], Introduction If you're preparing for coding interviews, especially for roles in FAANG or simila...

Java Stream Scenario Based Interview Question,You have a list of employees with fields like name, age, and department. Write a code snippet to group employees by department using J...

The Kth factor of N - an O(sqrt n) algorithm, Introduction Recently I wrote the post Learn Big O Notation once and for all. In that post I go over all of the types of Big O time no...

Sorting Algorithms || Python || Data Structures and Algorithms,Sorting Algoritms 1. Bubble Sort In this, we swap the higher element with its neighbor until we reach the end of the ...

Java scenario based interview questions,You have a list of strings: ['apple', 'banana', 'cherry', 'date', 'fig', 'grape']. Write a code snippet to filter out strings starting with ...

How does Optional.ifPresent() differ from Optional.orElse()?,Optional.ifPresent() and Optional.orElse() are two methods in Java's Optional class, designed to handle optional values...

Mastering SOLID Principles for Java Interviews, Java Fundamentals (7 Part Series) 1 Understanding Data Types in Java: Common Pitfalls and Best Practices 2 Understanding the + Opera...

Java Streams | What is the difference between sorted() and distinct() in streams?,For Explanation watch video sorted() The sorted() method is used to sort the elements of a stream....

Sorting Smarts in Java: TreeSet and TreeMap, Collections Framework Essentials (8 Part Series) 1 Understanding ArrayList: Essential Knowledge for Interviews 2 Arrays vs. ArrayLists:...

Sorting Smarts in Java: Comparable and Comparator, Collections Framework Essentials (8 Part Series) 1 Understanding ArrayList: Essential Knowledge for Interviews 2 Arrays vs. Array...

Demystifying hashCode() and equals(): The Backbone of Java Hash Collections, Collections Framework Essentials (8 Part Series) 1 Understanding ArrayList: Essential Knowledge for Int...