Java Technical Lead Interview Questions

Full Stack Java Developer

Interviewed at Mercury Systems (New Jersey)

2.9★

Jun 9, 2020

What is the internal differences between MongoDb and MySql?

Sr Java/Spring Developer

Interviewed at NeoFruition

3.1★

Nov 10, 2020

First given me program from spring boot crud and login security with JWT

Senior Java Developer

Interviewed at Secude

3.7★

Dec 3, 2020

find anagrams in java and oops concepts

Java Delevoper

Interviewed at Locus RAGS

3.5★

Dec 16, 2020

she asked many question but she didn't know the answer.

Java Developer

Interviewed at Atos-Syntel

3.6★

Aug 31, 2015

What significant are Design patterns to any J2EE application

Java Trainee

Interviewed at Adaptavant Technology Solutions

4.1★

Sep 25, 2015

difference between this and super. type of exceptions.

Senior Consultant (Java Developer)

Interviewed at hybris Software

3.9★

Aug 6, 2015

JAVA What is Encapsulation? What is Inheritance? What is the difference between overloading and overriding? What is polymorphism? What is the difference between an Abstract class and an Interface? What is an immutable object? What is the difference between a Set, List and Map? Name a collection that is thread safe? (Vector) What are two ways to implement a Thread in Java? What is a servlet? What is String Builder used for? DATABASES How does JDBC make a query? What is a left inner join? What is an outer join? What is aggregation? Give an example of a SQL query that uses aggregation? DESIGN PATTERNS What is the MVC design pattern? What is the Facade design pattern? What is the Decorator design pattern? HTTP What is the difference between JSON and XML? What are the 7 HTTP request methods? (GET, POST, HEAD, PUT, DELETE, OPTIONS, CONNECT) What is the difference between SOAP and REST? SPRING What is dependency injection in Spring? Several other questions on spring..

Java Developer

Interviewed at Dizer Corp

3.7★

Dec 19, 2015

Describe about data types in java

Java Developer

Interviewed at Spartez

4.2★

Feb 10, 2016

Difference between thread and process, int and Integer and how it was putting in memory. What memory the variable is kept in memory.

Java Developer

Interviewed at Vanderbilt University

4.2★

Feb 19, 2016

1. Difference between List and Set 2.Mention different java design patterns 3.What is dependency injection 4. Webservices and their uses