Java Interview Question

Minimum Deletion Cost to Avoid Repeating Letters

October 21, 2020 Umang Parekh

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.

Difference between Synchronized & Volatile in Java

August 20, 2019 youvcode

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

JAR vs. WAR vs. EAR

October 28, 2017 youvcode

In J2EE application modules are packaged as EAR, JAR and WAR based on their functionality JAR: EJB modules which contains enterprise java beans class