Reflection is the process of introspecting the features and state of a class at runtime and dynamically manipulate at run time. This is supported using Reflection API with built-in classes like Class, Method, F
In JPA (Java Persistence API) or Hibernate, the @Transient annotation indicates that a particular field should not be persisted in the database. This is useful when you want to mark a field that should be ignored during database operations. The field will be treated as a non-persistent fiel...
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...
为了避免这些问题,在程序启动的时候就创建若干线程来响应处理,它们被称为线程池,里面的线程叫工作线程。从 JDK1.5 开始,Java API 提供了 Executor 框架让你可以创建不同的线程池。比如单线程池,每次处理一个任务;数目固定的线程池或者是缓存线程池(一个适合很多生存期短的任务的程序的可扩展线程池)。 26.如何写代...
@文心快码java interview questions for 5 years experience qa 文心快码 针对5年经验的Java QA工程师,以下是一套综合性的面试题,涵盖了Java基础知识、高级特性、测试框架和技术,以及实战经验和问题解决能力的考察: 1. Java基础知识 Java静态变量和成员变量的区别 静态变量(类变量)属于类,成员变量(实例变量)属于...
When you are preparing to interview for a Java programming job, it’s important to consider the questions you’ll be asked. These interview questions can vary based on many factors, including company type, role level, and how long the company you interview with has been in business. How can...
Representational State Transfer(REST)/ RESTful Web 服务是一种帮助计算机系统通过 Internet 进行通信的架构风格。这使得微服务更容易理解和实现。微服务可以使用或不使用 RESTful API 实现,但使用 RESTful API 构建松散耦合的微服务总是更容易。 17、你对 Spring Boot 有什么了解?
When our Java project wants to perform the following operations, it’s better to useJava 8 StreamAPI to get lot of benefits: When we want perform Database like Operations. For instance, we want perform groupby operation, orderby operation etc. ...
Stream API:新添加的Stream API(java.util.stream) 把真正的函数式编程风格引入到Java中。 Date Time API: 加强对日期与时间的处理。 面试题2: 什么是FunctionalInterface ? 答:FunctionalInterface也称为“函数式接口”, 是只有一个抽象方法的接口。这些接口的实现是使用 Lambda 表达式提供的,这意味着要使用 Lambda...
Looking forward to appear in Java Interview, here are the key Java Interview Questions with Answers only for you. - aatul/Java-Interview-Questions-Answers