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Software Engineer Java Developer Interview Questions

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30,904 software engineer java developer interview questions shared by candidates

1.what are the benifits of Springs and why we need to go for Springs? 2.What are the configuration files in a typical Hibernate Application ? 3.What are the different directives in JSp? 4.how to create custom Tags in JSP? 5.what is constructor and what is the use of it? 6.What are all the different types of Joins in SQL and whats the difference between outer join and full join ? and some basic core java questions like trim method,multithreading etc.
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Java Developer

Interviewed at Capgemini

4.2★
Dec 18, 2017

1.what are the benifits of Springs and why we need to go for Springs? 2.What are the configuration files in a typical Hibernate Application ? 3.What are the different directives in JSp? 4.how to create custom Tags in JSP? 5.what is constructor and what is the use of it? 6.What are all the different types of Joins in SQL and whats the difference between outer join and full join ? and some basic core java questions like trim method,multithreading etc.

It consisted of a telephonic, basic of java : overriding, overloading rules, design patterns, sort may on key and values. Java 8 Date Time API, streams, lambda expressions. Then a face to face with the Technical Manager : we had a general discussion about the job role. He asked me some questions on Executor framework, why we have it. Spring scenario oabout what if a singeltion scope bean uses a prototype scope bean. The was a design assignment given to solve in office : Design a Library. It has user stories and each user story had new functionality. Was not too tough. Adding members(name,phone number), taking care of duplicate members, book (name, isbn number, type). Then to make add member function thread safe.
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Senior Associate - Java

Interviewed at BNP Paribas

3.8★
Aug 11, 2019

It consisted of a telephonic, basic of java : overriding, overloading rules, design patterns, sort may on key and values. Java 8 Date Time API, streams, lambda expressions. Then a face to face with the Technical Manager : we had a general discussion about the job role. He asked me some questions on Executor framework, why we have it. Spring scenario oabout what if a singeltion scope bean uses a prototype scope bean. The was a design assignment given to solve in office : Design a Library. It has user stories and each user story had new functionality. Was not too tough. Adding members(name,phone number), taking care of duplicate members, book (name, isbn number, type). Then to make add member function thread safe.

One example: in the same class you have methods with the same names, both with one parameter, first is taking Object and second is taking String. You call the method with null parameter, which method will be called and why? (Would you write a code like this in a real project?)
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Senior Java Developer

Interviewed at Mphasis

3.4★
Jun 11, 2020

One example: in the same class you have methods with the same names, both with one parameter, first is taking Object and second is taking String. You call the method with null parameter, which method will be called and why? (Would you write a code like this in a real project?)

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