Given a string, find the 2nd non-repeating character in the string. Also, throw light upon the time and space complexity of it. Name all sorting algorithms and explain along with their procedures and time complexities. Another coding question related to Dijkstra’s Algorithm.
The interview mainly focused on Core Java, SOLID principles, REST APIs, Hibernate/JPA, Microservices architecture, Java 8 and Java 11 features. They also asked several cross-questions and SQL queries.
Syntax for JDBC connection in spring configuration file.
What is String class? What is mutable class ?
set a number of challenges and dived in to my knowledge
basics
What is the different servlet and JSP? (How are they working in Runtime)
What kind of databases you know? (if you say MogoDB, you will be asked details question)
Architect a web system that can support lots of through put.
Basic java question and about current project.
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