Skytree Consulting Engineers Senior Structural Engineer Interview Questions and Answers

let vs var in JavaScript and hosting

• let has block scope while var has function scope

• let cannot be redeclared in the same scope while var can

• Hosting is the process of moving a website or application to a server

• JavaScript can be hosted on various platforms such as AWS, Heroku, and Firebase

Advantages of ReactJS, hooks, HTML, CSS, version of React and their differences.

• ReactJS is a popular JavaScript library for building user interfaces.

• Hooks allow for stateful logic in functional components.

• HTML and CSS are used for structuring and styling web pages.

• React version 16 introduced features like error boundaries and portals.

• React version 17 focused on improving the upgrade process.

• ReactJS is faster than other...read more

ArrayList and LinkedList are both data structures used to store and manipulate collections of objects in Java.

• ArrayList is implemented as a resizable array, while LinkedList is implemented as a doubly linked list.

• ArrayList provides constant time access to elements using their index, while LinkedList provides constant time insertion and deletion of elements.

• Spring Boot annotations include @Controller, @Service, @Reposit...read more

Truncate removes all data from a table while delete removes specific rows.

• Truncate is faster than delete as it doesn't log individual row deletions

• Truncate resets auto-increment values while delete doesn't

• To truncate a table in MySQL, use the TRUNCATE TABLE statement

• Methodology used in my project was Agile