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TheJava programming languageis easy to learn, whether you're totally new at programming, or just want to pick up a new language. It is the perfect computer language for being competitive in today's industries or even to create programs as a hobby. Java is also easy to set up, soadvanced...
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....
The @Repository annotation is used to define a Data Access Object (DAO) in Spring. It marks the class as a repository that handles database operations and allows Spring to configure AOP (Aspect-Oriented Programming) to manage exceptions. Specifically, it enables the translation of database-relate...
This post comes directly from my 14+ years of Java programming and lots of interviewing experience. Java 16 has been released recently and I have updated the post to include some of the questions from the latest releases. Core Java Interview Questions and Answers ...
11How you can force the garbage collection? Garbage collection automatic process and can't be forced. 12What is OOPS? OOP is the common abbreviation for Object-Oriented Programming. 13Describe the principles of OOPS. There are three main principals of oops which are called Polymorphism, Inheritan...
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Are you planning to attend an interview for a Java role but confused on how to crack that interview and also what would be the most probable Advanced Java Interview Questions that the interviewer may ask? Well, you have reached the right place. Tekslate has collected the most frequently asked...
3) It is easy to step on the pit during the interview In the interview, in order to examine the mastery of concurrent programming, they often examine the knowledge related to concurrent security and the knowledge of thread interaction. For example, how to implement a thread-safe singleton mode...
public class ProxyTest1 { public static void main(String[] args) { Candidate c = new Gunman(new LazyStudent("王小二")); c.answerTheQuestions(); } } 说明:从JDK 1.3开始,Java提供了动态代理技术,允许开发者在运行时创建接口的代理实例,主要包括Proxy类和InvocationHandler接口。下面的例子使用动态代理为...