Core java ,Spring Boot, Hibernate, RESTful web services
Jr Java Developer Interview Questions
3,803 jr java developer interview questions shared by candidates
What is a stack data structure? What are the applications of stack?
What is OOP? What are the main principles of OOP?What is "SQL"?What are the SQL statements?
Task one with some basic java coding Task two with REST API.
You are given a string with Alphabet set B,D,U and H. This string will be considered steady if each of letter occurs only n/4 times. For Example HBDU and BBHUHDDU both are steady strings. Now your job is to make a string steady if not by replacing substring of input string and replace it with any string of the same length. It can be a empty string also. Return the length of the minimum length substring that can be replaced to make string stable EXAMPLE: Input: HBBBUBBB Output: 5 Explanation: One optimal solution is to replace BBBUB with UUDDH resulting in HUUDDHBB
What do you understand by polymorphism?
String, StringBuilder, Stringbuffer code example Encapsulation and one demo example Abstraction and one demo example Hashing HashCode Equals MVC SpringBoot and hibernate basics
Explain how to secure rest api on server side
What is multithreading in java
Algorhitms and data structures
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