Hftlabs

Can you explain the main differences between standard SQL, JPQL, and HQL when working with databases in Java?

Have you managed optimization and database monitoring questions in your last job?

What methods and tools have you used for log analysis in your last project?

Is it possible to model and store a family tree structure in a relational database?

Can you explain what the Vaadin framework is and its main features?

How can you implement storage and display of a genealogical tree structure in a relational database?

Have you had experience configuring or using the -Xms parameter when launching JVM?

What version of Spring Boot have you used in your projects?

What technologies and tools have you used in your recent projects?

How can you determine the amount of memory consumed by a Java application launched from a *.jar file using the command java -jar, in case of a 'No heap space' error?

Have you applied virtualization technology in your last project?

Is it possible to implement a RESTful API relying entirely on the DELETE HTTP method for all operations?

Longest continuous segment of ones after removing one element