Most of the time, we use finally block just to close the resources and sometimes we forget to close them and get runtime exceptions when the resources are exhausted. These exceptions are hard to debug and we might need to look into each place where we are using that type of resource to ...
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 Pattern in Java for more details and questions answers 12....
Advanced Java Interview Questions and Answers101. What is the difference between Swing and AWT components?AWT components are heavy-weight, whereas Swing components are lightweight. Heavy weight components depend on the local windowing toolkit. For example, java.awt.Button is a heavy weight component...
1.JDBC Interview Questions and Answers 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 ...
You don’t need to be a Java expert to find the best Java programmers for your company – just use the resources we provide and interview with confidence!So here are the questions and answers:[Question #1 – Player/Weapon – OOP design] [Question #2 – Polyline – OOP design] [Question...
Java Collections Framework are the fundamental aspect of java programming language. It’s one of the important topic for java interview questions. Here I
For professionals with good knowledge of Java programming, looking for job opportunities and interviews, we have something interesting for you. In this blog, we are going to look at some of thecore java interview questions. Some of these questions can be categorized asJava technical interview ques...
focus on including the most important features like whether there needs to be data storage, how to send notifications and how to manage users when they are offline and online. Be sure to talk through your design process so the hiring manager can answer questions and give feedback along the ...
Here are 10 of the most common and important Java garbage collection interview questions that any technicalDevOps engineer or developerapplicant must be ready to answer. 1. Why is garbage collection necessary in Java? In many programming languages, such asC and C++,when an object is no longer ...
Java Technical Details JFC FAQFrequently Asked Questions Open all Questions and Answers Q. What are the Java Foundation Classes? A. The Java Foundation Classes (JFC) are a comprehensive set of GUI components and services which dramatically simplify the development and deployment of commercial-...