Interviewer gave a tippical diamond pattern on paper and asked to write code on paper and himself disappeared from interview room.Would not recommend anyone to go qualtech kind of company even for interview.
Java Application Support Interview Questions
124 java application support interview questions shared by candidates
OOPs concepts, Collections, DB connectivity code, SQL concepts (Oracle based answer expected)
Nothing difficult, but didn't expect interviewer will be busy with the phone. During the final phase ,I felt that I'm UN-welcomed because the way one of the interviewer behaved. The other tried to "apologize" for him, but it made the interview less interesting for me and for the other interviewer.
Data Structures: Red Black Tree, BST, Linked List implementation program, complexity... Java: Singleton, Object class, Collection Framework, OOPS concept with example... DBMS: Joins, Queries, ACID properties of transaction, Triggers... And there were some question to check logical ability
It was a very friendly interview. Until the coding came hahaha it was in hacker rank. String manipulations, particularly about streams. Factorial. Last is SQL. It was pretty easy to be honest, i just got blanked because it was very nerve wracking to code in front of your interviewers like they are judging everything you do lol but it was fun talking to them
3) HashMap in Java (Definitiion and Complexity of the operation)
1) Difference between Checked and Unchecked exceptions in Java 2) List and Collection in Java 3) ArrayList and LinkedList 4) HashMap (everything!! Ex. the complexity of a merge between two HashMap) 5) Why JP Morgan 6) What is OOP 7) Difference between Interface and Abstract class.
2) List (and Collections) in Java (Definitiion and Complexity of the operation)
What does this code do?
Asked several programminprogramming questions covering but not limited to: Conditional statements Loops Polymorphism Inheritance Methods Accessibility
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