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If you are working on Enterprise applications, I am sure that JDBC API is a part of it. JDBC API provides database connectivity for relational databases, such as MySQL and Oracle. This article has a collection of 40+ interview questions related to the JDBC API. They cover areas from basic...
Why this interview question?For better or worse, a lot of high-performance Java code will need to be multithreaded. However, writing correct multithreaded code that is safe from deadlocks and race conditions is notoriously difficult. That’s why this question is one of the java interview ...
Java 8 has been released in March 2014, so it’s one of the hot topics in java interview questions. If you answer this question clearly, it will show that you like to keep yourself up-to-date with the latest technologies. Java 8 has been one of the biggest releases after Java 5 anno...
[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...
Another useful interview strategy is to review potential Java interview questions in advance. Let’s check out examples of some of the top Java interview questions. Also, each question includes some information that can help refresh your memory. ...
// Appropriate method-related code. } E.g. Synchronizing a block of code inside a function: public myFunction (){ synchronized (this) { // Synchronized code here. } } 4What is Collection API? The Collection API is a set of classes and interfaces that support operation on collections of...
11. Can you write critical section code for singleton? This core Java question is followup of previous question and expecting candidate to write Java singleton using double checked locking. Remember to use volatile variable to make Singleton thread-safe. check 10 Interview questions on Singleton Pat...
In this post, we will try to cover some related interview questions onHashMapandConcurrentHashMap. 1. How to Design a Good Key for HashMap The very basic need for designing a good key is that “we should be able to retrieve the value object back from the map without failure“, right?
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/ 在线阅读 使用语雀提供了较好的阅读体验 ...