Optional:Optional is a final Class introduced as part of Java SE 8. It is defined in java.util package. It is used to represent optional values that are either exist or not exist. It can contain either one value or zero value. If it contains a value, we can get it. Otherwise, we ...
2.Java 8 Interview Questions Java 8 was a major release with many new features. Some of them are Lambdas, Functional interfaces, Streams, and Date Time API. This article will help you in preparing for the interview related to these APIs. I recently wrote another article aspart-2 of java 8...
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...
we have interviewed Java developers for more than a decade. In this article, you’ll learn the keyinterview questions to ask an entry-level and senior Java developer, that will guide you in your
Java 8: Lambdas, Part 1 by Ted NewardJava Technical Details Technical ArticleGet to know lambda expressions in Java 8.Few things excite a community of software developers more than a new release of their chosen programming language or platform. Java developers are no exception. In fact, we’...
Why this technical question?While not requiring very complex algorithms or data structures, this java technical question is still not easy to get completely right on the first try. There are several edge cases that need to be taken into account. Moreover, the question as stated is ambiguous ...
8. What is difference between Executor.submit() and Executer.execute() method ? This Java interview question is from my list of Top 15 Java multi-threading question answers, Its getting popular day by day because of huge demand of Java developer with good concurrency skill. Answer of this Ja...
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4.1.Spring Core Interview Questions I have tried to collect some top spring core interview questions which you face into your next technical interview e.g. What is Inversion of Control (IoC) and Dependency Injection (DI)? Difference between BeanFactory and ApplicationContext?
TCSinterview questionsTechnical-JAVAWhat is the difference between an Abstract class and Interface?What is user defined exception?What do you know about the garbage collector?What is the difference between java and c++?In an HTML form I have a button which makes us to open another page in 15...