1)what is Singleton? and how can you implement 2)Hash Map? 3)Interface vs Abstract class? 4)Exception Handling?
Java Full Stack Developer Interview Questions
1,051 java full stack developer interview questions shared by candidates
Tell me about yourself .
Libraries, API connections, both front and backend questions in-depth
JVM Garbage Collectors New features in Java versions Stream functions XML namespaces Dom and Sax parser Spring basics SQL DB related Coding question to rotate a matrix 90 degrees.
1)Internal working of the hashmap, concurrent hashmap, Hashtable, Internal structure of streams 2)Angular questions like the directives, components, services. 3)I was asked to build a system with high volume data needs to be refreshed and newly inserted data should be displayed on the screen (Just logic) 4)Spring boot questions
1.) Experience with Spring Security. 2.) Migrating a project from Java11 to Java17. 3.) How would you work in an environment with shifting priorities? 4.) How would you work with minimal requirements?
Java 8 stream api coding. Java 8 functional interface coding. Easy level DSA questions. Design patterns. Multithreading
coding questions based on arrays and strings
Write a code for method over riding for one interface implementing two classes
• Basic OOPS and SQL Concepts. You can literally find the answers online.
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