It’s a great design question and asked a lot in java interviews. This post provides all the differences between abstract class and interface. When should we use interface over the abstract class and vice versa? The post also explains how to use abstract class and interface to create a flexi...
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It is a means of asking the database a question or requesting specific information based on certain criteria or conditions. Queries are one of the most important features of a DBMS, as they enable users to interact with and retrieve information from the database.It can take many forms, depen...
Core Java - Interview Questions and Answers for 'Arraylist' - 27 question(s) found - Order By Newest Very frequently asked. Favorite question in Walk in Drive of many Indian service companies. Q1. What is the difference between ArrayList and LinkedList ? Core Java Ans. Underlying data...
The question categories are very similar to those in Meta’s PM interview process, with the addition of technical questions for some candidates. We've had a couple of candidates reporting that they were given a case, but it seems to be rare. While each of the Meta PM interview rounds ...
Java:https://docs.oracle.com/en/java/index.html Spring:https://spring.io/guides Redis :https://redis.io/documentation Dubbo:http://dubbo.apache.org/zh-cn/docs/user/quick-start.html ShardingJDBC:https://shardingsphere.apache.org/document/current/cn/features/ ...
[Interview Question ][Data Structure] Two Sum Problem -Array Two sum problem is one of the most asked data structure questions for a java developer interview. There could be one or more ways to solve the problem but i am trying to give the optimized solution to this problem. Lets first...
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Regarding a Java interview question, I will analyze it today without any problems, for beginners learning Java and unclear friends. topic: Short s1 = 1; s1 = s1 + 1; What's wrong? short s1 = 1; s1 += 1; What's wrong? answer: ...
86 . Guess the output of this for loop (P.S. there is an error as the output of given question should be 0-1-2-3-4-5-6-7-8-9. So please ignore that.) 87 . What is an enhanced for loop? 88 . What is the output of the for loop below?