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...
This java interview question is mostly for candidates who claim at least 2 years of experience working in a sizeable team. Working together with many people on a large codebase has its own unique set of difficulties, one of which is how to coordinate large-scale changes without stepping on ...
---these Java Interview Questions have been designed especially to get you acquainted with the nature of questions you may encounter during your interview for the subject of Java Programming Language. As per my experience. ---Good interviewers hardly planned to ask any particular question during yo...
If you are not well versed in writing multi-threading code then this is real tricky question for you. This Java question can be tricky even for experienced and senior programmer, who are not really exposed to deadlock and race conditions. Key point here is order, if you acquire resources i...
[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...
In this case, the Java compiler will throw an error as “The method foo(String) is ambiguous for the type Test”. String and StringBuffer have no inheritance hierarchy. So none of them are more specific to others. A method is more specific than another if any invocation handled by the ...
Search Submit QuestionCore 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...
One of the most frequently asked Java interview question to experience Java programmer of 4 to 5 years of experience. I have seen this question on big companies likeMorgan Stanley,JP Morgan, Nomura and other banks e.g. Barclays capital. SeeHow HashMap works internally in Javafor detailed answ...
-- Configuration locations must consist of one or more comma- or space-delimited fully-qualified @Configuration classes. Fully-qualified packages may also be specified for component-scanning --><context-param>contextConfigLocationcom.howtodoinjava.AppConfig</context-param><!-- Bootstrap the root ...
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/ ...