what is data structure and joins
Java Software Developer Interview Questions
3,075 java software developer interview questions shared by candidates
The technical round of the HCL interview for a Java developer role covered a range of topics, including: Core Java Handling and types of exceptions Threads and multithreading Core OOP concepts Discussion on whether Java is 100% object-oriented Process of memory allocation during object creation Collections Framework: Concepts and practical usage SQL: Focused on joins Tools Git for version control Maven for project management and build automation
Self intro Oops Threading About Project Collections Programming questions
3rd Round - Technical HR Questions: 1. Given an 'n' size ArrayList. We have to process and store the elements in sub-lists based on the size of ArrayList. Consider an ArrayList of size 14, then we have to store first 10 elements in one list and next 4 elements in one list. 2. Self Introduction 3. About my projects. Here, while explaining whatever I told that I have worked, they started questioning on that topics.
Hibernate internals, Java core, multithreading
Concepts of oops Small coding examples Hibernate basics
Describe the difficulties encountered in past projects. How did you solve them.
Java Servlets(and how they communicate), Strings in Java,Multithreading,Spring,Lambda expressions
A lot of oop,some of databases like what is an index and an sql join,questions in spring boot.
Asked me to code merge sort. What is method overloading and overriding
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