constructor chaining
Java Senior Interview Questions
6,024 java senior interview questions shared by candidates
Transaction isolation level in DB and ACID properties, some questions on Active MQ, project architecture, some simple java questions
In Java, Mainly focus on core java, java8 and other related questions. Kafka and microservice knowledge. Some Db questions. 1-2 simple coding questions with help of java Stream API to test your knowledge in JAva8.
What is Architecture of the recent project you worked on?
1.Find String concurrency 2.find 3 highest salary of employee 3.java 8 features
Spring mvc Hashtable vs concurrent hashmap Map vs flat map Api gateway Microservices vs monolithic Streams Catch why Arraylist vs linked list Classnotfound exceptions 500internl error Patch method Lambda expression Equals vs == Foreign key annotation
Given a string containing only '(' , ')' , '{' , '}' , '[' , ']' , determine if the string is valid.
Print a given matrix in spiral form
Asking about Java, Spring Boot and also database
Q. What is the purpose of the hashCode() method? Ans. The hashCode() method generates a unique integer for an object, aiding in efficient data retrieval in hash-based collections. Used in hash-based collections like HashMap and HashSet for quick data access. Returns an integer value, which is the hash code of the object. Two equal objects must have the same hash code (consistent with equals()).
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