How to secure a REST APISince our TEST service accepts user registrations, we have to think about protection of data. Before a user can retrieve his data, he has to authorize himself. In the world of a REST service, sessions in the classic…

What is Spring boot actuator? Spring Boot Actuator provides additional features for monitoring and managing applications when pushed to production by developers. HTTP or JMX end points may be used for this purpose. How does spring boot act…

Java Interviews are a little bit different than traditional programming interviews on tech giants and product based companies like Google, Amazon, Microsoft, or Facebook. First, even though it has questions from Data Structure and Algorith…

Java is playing the most important role to develop and deliver the application, software, and web content etc. If you have basic knowledge of the Java language, then you can easily become a good developer. Java is the most commonly used pr…

The following are top 10 frequently asked questions about Java Strings. 1. How to compare strings? Use “==” or use equals()? In brief, “==” tests if references are equal and equals() tests if values are equal. Unless you want to check if t…

Best way to reach Munnar from Chennai Munnar is the place to spend some time with nature and your best people together.We have some travel guidance for reaching munnar from these famous origins. how to reach munnar Reaching Munnar by fligh…

When you're writing Java web applications -- for example, an application like a discussion forum -- you end up writing Java servlets where you need to know if the user accessing your servlet has a valid Java servlet sessionestablished. If …

At last Servlets 3.0 provides support for file uploading. We no longer need to use any other third part library (Apache’s common file-upload) to deal with file uploading in Java. Servlets 3.0 API provides support for file uploading with ne…

What do you think is Hibernate? In Java applications, Hibernate is a commonly used object-relational mapping (ORM) tool. It is widely implemented in a variety of enterprise applications, especially in database operations. Hibernate enables…

What is the difference between sorted and ordered collection in hibernate?Sorted Collection: The sorted collection is a collection that is sorted using the Java collections framework. The sorting is done in the memory of JVM that is runnin…

Before we getting into the microservices, let’s tell you about it’s opposite, i.e monolithic architectural style which is always built as a single, autonomous unit. So take an example like a web application with client-server model, the se…

This JSP interview questions and answers are asked in the various J2EE interview and focus on view part of MVC framework. JSP or Java Server Pages is a Java technology used to render a dynamic view. Whenever you go for any Java web develop…

In this article, we will use the JPA (Java Persistence API) with Spring Boot for insert, update, delete and read operations. We are using in-memory H2 database, but the same can be changed for any other relational database. pom.xml We need…