JPA (Java Persistence API) MCQs: This section contains multiple-choice questions and answers on the various topics of JPA (Java Persistence API). Practice these MCQs to test and enhance your skills on JPA (Java Persistence API). List of JPA (Java Persistence API) MCQs ...
This set of Object Oriented Programming (OOPs) using Java Multiple Choice Questions & Answers (MCQs) focuses on “Final Class”.1. What is the output of the following Java code?final class Final { static String s = "Sanfoundry"; } public class Program extends Final { public static void ...
} a) The snippet compiles and runs but does not print anything b) The snippet compiles, runs and prints 0 c) The snippet compiles, runs and prints 1 d) The snippet does not compile View Answer 20. What is the extension of compiled java classes? a) .txt b) .js c) .class d) ...
Most Popular Java Interview Questions And Answers Given below is a comprehensive list of the most important and commonly asked basic and advanced Java programming interview questions with detailed answers. Q #1) What is JAVA? Answer: Java is a high-level programming language and is platform-indepen...
提供方法 getQuestions 返回排序后的题目数组。 提供方法 getCount 获取题目数量。 (3)Paper 类: 用于表示一份答卷,包含一个考试对象 (exam)、答案数组 (answers) 和判断结果数组 (judgments)。 提供方法 saveAnswer 来保存答案。 提供方法 judgeAnswers 来判断答案是否正确。
Top 1000+ J2EE Interview Questions and Answers . Contribute to WeKnow-io/java-interview-questions development by creating an account on GitHub.
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 ...
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...
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 ...
Learn Java programming like a pro with the help of our simplified tutorials, examples and frequently asked Java interview questions and answers.