Scenario based java interview question,Finding Duplicates in a List Question: You have a list of integers, and you want to find any duplicates in that list.  Which collection ...

Top 25 Code Repository interview questions, 1. What is the main purpose of a version control system (VCS)? A VCS tracks and manages changes in code, allowing for collaborative work...

Mastering SUPER Keyword in Java: Unlocking Inheritance and Constructor Chaining, Java Keywords Essentials (7 Part Series) 1 Mastering THIS Keyword in Java: A Key to Clean and Effec...

Java Interview - static,Let's talk about the static keyword in Java and what can be asked during the Java interview related to static? What are the Static Blocks and Static Initial...

Algorithms Problem Solving: to Lower case, Algorithms Problem Solving Series (23 Part Series) 1 Algorithms Problem Solving: Jewels and Stones 2 Algorithms Problem Solving: Ransom N...

Algorithms Problem Solving: Balanced Strings, Algorithms Problem Solving Series (23 Part Series) 1 Algorithms Problem Solving: Jewels and Stones 2 Algorithms Problem Solving: Ranso...

In Spring Boot, what is the use of @PostConstruct? Explain using Example., Use of @PostConstruct in Spring Boot ==================================== In Spring Boot, @PostConstruct ...

doReturn() method in Mockito example,Spring Boot Example Using doReturn() in Mockito The doReturn() method in Mockito is used when you want to mock a method that is already called ...

Functional Interface in Java, Functional Interface in Java A functional interface in Java is an interface that contains exactly one abstract method. It can have any number of defau...

Find the Duplicate Elements in an Array/List,Given an array of integers, find all the elements that are duplicated. Example: Input: [1, 2, 3, 4, 3, 2, 5] Output: [2, 3] Hint: You c...

Leetcode — Top Interview 150–121. Best Time to Buy and Sell Stock,It’s an easy problem with the description being: You are given an array prices where prices[i] is the price of ...

Java program to find Sum of Digits,For Explanation watch the video code :: import java.util.*; import java.lang.*; class Demo{ public static void main(String[] args){ int n = 555; ...