Чашечка Java

How to send Email in Java + Spring Framework? JavaMailSenderImpl Example Tutorial Hello guys, if you are looking for a Java + Spring tutorial to send emails then you have come to the right place. Earlier, I have shared the free spring framework online courses, and today, I am going to share how to send Emails in the Java application using Spring and JavaMailSenderImpl class which makes it really easy to send emails from Java application.  Email is an essential function of any enterprise Java application. Your application will need Email functionality to send reminders, bills, payments, confirmations, passwords, alerts, and several other kinds of system notifications. Java Interview questions and tutorials Read: http://www.java67.com/2019/10/how-to-send-email-in-java-using-spring.html

How to set the logging level in Spring Boot application.properties - Example Tutorial Hello guys, if you are wondering how to set the logging level on spring boot then you have come to the right place. In the past, I have shared the best Spring Boot courses and free courses to learn Spring MVC and in this article, I will share how to set logging levels like DEBUG and INFO in Spring Boot.  How do we configure the logging level of our Spring boot application is one of the questions that arise when developing a large application. Because we need to trace errors, warnings, informational data when running our application and to this, Spring has introduced Spring boot logging configurations. Java Interview questions and tutorials Read: http://www.java67.com/2021/10/how-to-set-logging-level-in-spring-boot-.html

Top 20 UI and UX Design Interview Questions and Answers Hello folks, if you are a fresher who want to start your career in UI and UX design or a UI or UX Designer and preparing for your next job and looking for popular UI/UX  interview questions for preparation then you have come to the right place. Earlier, I have shared HTML Interview Question, CSS Interview Questions, web development questions, and JavaScript Interview Questions and in this article, I am going to share common UI and UX interview questions with answers. If you have worked in UI and UX design for quite sometime then you may know the answers of these questions but if you are new then you may need to go through these best UI and UX design courses to refresh you knowledge about essential UI and UX design concepts. Java Interview questions and tutorials Read: http://www.java67.com/2022/09/ui-and-ux-design-interview-questions.html

Spring Boot + Thymyleaf Project in Java? Example Tutorial Hello guys, if you are looking for a Spring Boot and Thymyleaf example, tutorial, or a project then you have come to the right place. Thymyleaf is one of the most popular, modern, server-side Java template engine to generate HTML and XHTML content. Earlier, I have shared Spring Boot + Reactjs project, as well a complete project to create Spring Boot + REST and Spring Boot + Microservices and in this tutorial, you will learn about how to create a spring boot and thyme leaf application using the h2 database.  So before moving to an example, let's discuss what is thymyleaf? Thymeleaf is a web application development library based on Java. It offers excellent support for providing XHTML/HTML5 in web applications. Java Interview questions and tutorials Read: http://www.java67.com/2022/01/spring-boot-thymyleaf-example-tutorial.html

Top Java Blogs Weekly: Best of 40/2022 Best of Top Java Blogs, year 2022, week 40 Read: https://www.topjavablogs.com/news/best-of-40-2022

How to use @ResponseBody and @RequestBody in Spring MVC and REST? Example Tutorial Hello guys, if you are wondering what is @RequestBody and @ResponseBody annotation in Spring MVC and Spring Boot then you have come to the right place. Earlier, I have told you about the @RestControllerannotation and in this article, I am going to explain to you what is RequestBody and ResponseBody annotation, how to use them, and when to use them with simple examples. While working with REST API, we may need to bind HTTP requests and response bodies with the domain object. To bind this, we use we can use the @ResponseBody and @RequestBody annotations in Spring MVC. Java Interview questions and tutorials Read: http://www.java67.com/2022/02/what-is-responsebody-and-requestbody-annotations-in-spring.html

Top 20 YAML Interview Questions Answer for Developers and DevOps Hello guys, if you don't know YAML stands for Yet Another Markup Language and its one of the popular language for defining system rules. YAML is used in Spring Integration and most popularly in Ansible for defining Ansible playbook which you can use to install or uninstall application and do other stuff. Because of that reasons YAML has become quite popular and you may be asked about basic questions in YAML if you are going for a Developer or DevOps Interview where YAML skills are required. At the very minimum you should know how to read YAML and how to write YAML, particular declaring list and key-value pair in YAML. It's not a big topic but knowing basic really help during interview. Java Interview questions and tutorials Read: http://www.java67.com/2022/09/top-20-yaml-interview-questions-answer.html

What is the JDK? Introduction to the Java Development Kit Read: https://www.infoworld.com/article/3296360/what-is-the-jdk-introduction-to-the-java-development-kit.html#tk.rss_java

Article: Virtual Threads: New Foundations for High-Scale Java Applications Virtual threads are a lightweight implementation of Java threads, delivered as a preview feature in Java 19.  They dramatically reduce the effort of writing, maintaining, and observing high-throughput concurrent applications. Virtual threads breathe new life into the familiar thread-per-request style of programming, allowing it to scale with near-optimal hardware utilization. By Brian Goetz Read: https://www.infoq.com/articles/java-virtual-threads/

How to test a Spring Boot application in Java? @SpringBootTest Example Hello guys, if you are wondering how to test your Java + Spring Boot application then you are at the right place. Earlier, I have shared best Spring Boot Courses and Spring Boot + Microservice example and in this article, I will talk about how to test your Spring boot application, mainly about writing unit test and integration test for Java and Spring boot application. Unit testing and Integration testing are two skills which separates a normal developer from a professional Java developer and when it comes to testing Spring applications many Java developer doesn't really know how to do that. If you are new to Java and Spring development but keen to learn Unit testing both Java and Spring Boot application then you have come to the right place. Java Interview questions and tutorials Read: http://www.java67.com/2022/07/how-to-test-spring-boot-application.html

​Большая конференция про облачные технологии от Yandex Cloud — Yandex Scale стартует уже через несколько минут! В программе вас ждут: — 5 тематических треков: Infrastructure, Data Platform, Security, Serverless, Business Tools. — Более 30 докладов о новых сервисах для бизнеса, обеспечении безопасности в облаке, возможностях бессерверных вычислений и повышении эффективности бизнеса за счёт использования облачных инструментов. — Более 50 спикеров — ведущих IT-экспертов и разработчиков, которые расскажут о том, как облачные технологии помогают бизнесу адаптироваться к новой реальности. Переходите по ссылке и присоединяйтесь к трансляции: https://tprg.ru/uSKk Это #партнёрский пост

Java + Spring Boot + Microservices Example - Step by Step Guide Hello guys, if you are wondering how to create a Microservice in Java and Spring Boot then you are ar the right place. In the past, I have shared best Spring Boot courses for Microservices, Interview Questionsas well as essential Microservice design principles and patternslike circuit breaker, CQRS, Event sourcing etc and In this article, we will cover the fundamentals of microservices with Spring Boot utilizing Spring cloud. We will cover a few fundamental ideas and then we will make a little micro-service to give you an outline. I will also share step by step guide to make Microservices in Java and then deploy them using Docker and Kubernetes on Cloud. Java Interview questions and tutorials Read: http://www.java67.com/2022/08/java-spring-boot-microservices-example.html

Eclipse Jakarta EE upgrade zeroes in on cloud Read: https://www.infoworld.com/article/3674708/curtain-rises-on-eclipse-enterprise-java-upgrade.html#tk.rss_java

Как хранить сеть дорог в БД для построения маршрута? Японцы уже в 2018 году научили немецкий GraphHopper строить маршруты по дорогам хранящимся в PostgreSQL. Как кастомизировать источник данных, и сохранять новые дороги в таблицу правильно? Надо всего лишь... Читать: https://habr.com/ru/post/688556/?utm_campaign=688556

How to Find Lowest Common Ancestor of a Binary Tree in Java? Example Tutorial Hello guys, if you are wondering how to find the lowest common ancestor of a binary tree in Java then you are at the right place. Earlier, I have shared 40+ binary tree questions and today I am going to share solution of one of the popular binary tree question here. To find the lowest common ancestor of a binary tree in java requires that we run through a binary search tree and how it operates. What then is a binary search tree? A Binary tree is a data structure in which each node can have at most two children. That is, each node in the binary tree will have data, left child and right child. The first node of the tree is called the Root. Java Interview questions and tutorials Read: http://www.java67.com/2022/01/how-to-find-lowest-common-ancestor-of.html

Event sourcing+CQRS с помощью Spring Пришел как-то на новый проект, а там Event sourcing+CQRS. Посмотре, как эта архитектура устроена тут и тут и очень вдохновился. На проекте были джава и спрингом, но архитектура настраивалась полностью вручную. Как мы знаем, аннотации это хорошо. Давайте попробуем собрать handler’ы и applier’ы с помощью кастомных аннотаций. Читать: https://habr.com/ru/post/689468/?utm_campaign=689468

​Хакатон, ИТ-чемпионат или стажировка — с чего начать, если ты джун? Есть программа, которая совмещает в себе преимущества каждого из этих форматов. SberStart — возможность для начинающих java-разработчиков стать частью команды Сбера. В течение 3 месяцев вы проходите адаптацию, учитесь на реальных проектах банка, готовите групповой проект и проходите стажировку в нескольких командах Сбера. Лучшие получат шанс продолжить работу в Сбере и построить карьеру Java-разработчика. Кандидатам понадобятся базовые знания Java, опыт коммерческой или учебной разработки, владение Spring, Hibernate, СУБД и амбиции стать большим разработчиком. Зарплата с первого дня участия в программе. Подробности здесь: http://sber.me/?p=6h2ST Это #партнёрский пост

Как мы внедряли Allure TestOps в стриминговом сервисе Всем привет! Меня зовут Иван Чечиков, я QA lead в МТС Digital, работаю над проектом стримингового сервиса WASD.TV. В этой статье я поделюсь опытом о том, как мы внедряли систему управления тестированием (TMS) Allure TestOps в наш проект и что из этого получилось. А еще отмечу подводные камни, с которыми столкнулись и обозначу пути их обхода. Статья может быть полезна тем, кто задумываются о переходе на данную TMS с других готовых решений, таких так Zephyr, TestRail, Test IT. Подробности – под катом. Читать: https://habr.com/ru/post/689330/?utm_campaign=689330

Вышла Java 19 Вышла общедоступная версия Java 19. В этот релиз попало более двух тысяч закрытых задач и 7 JEP'ов. Release Notes можно посмотреть здесь. Изменения API – здесь. Читать: https://habr.com/ru/post/689344/?utm_campaign=689344

How to Enable Disable Spring Security in Spring Boot? Example Tutorial Hello guys, if you are wondering how to enable and disable Spring Security in a Spring Boot based Java application then you have come to the right place. In the past, I have shared best Spring security courses, 25 Spring Security questions, as well multiple Spring security tutorials like how to use HTTP Basic auth in Spring Security etc.  and in this article, I will share multiple ways to enable and disable Spring Security in a Spring boot application. But, before that, if you are new to Spring Security then find out what is Spring Security and how does it work?  At its core, Spring Security is simply a bunch of servlet filters that assist you with adding authentication and authorization to your web application. Java Interview questions and tutorials Read: http://www.java67.com/2022/09/how-to-enable-disable-spring-security.html