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Software Engineer Java Developer Interview Questions

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4,195 software engineer java developer interview questions shared by candidates

The students who clear the written round are called for Technical Interview. To clear this round you should be clear with your basics. You should be prepared with Data structures and Algorithms, DBMS, Networks, OOPs concepts and a programming language of your choice. Students will be expected to write codes in the interview. They also ask questions from resume. You may be asked puzzles in this round. To be prepared for puzzles you can practice from our Puzzles section. Sometimes, this round is technical plus HR round.
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Java Software Developer

Interviewed at Amdocs

3.7★
Mar 9, 2021

The students who clear the written round are called for Technical Interview. To clear this round you should be clear with your basics. You should be prepared with Data structures and Algorithms, DBMS, Networks, OOPs concepts and a programming language of your choice. Students will be expected to write codes in the interview. They also ask questions from resume. You may be asked puzzles in this round. To be prepared for puzzles you can practice from our Puzzles section. Sometimes, this round is technical plus HR round.

* Can the inner class access the private members of the outer class * What all operations are synchronized in hashtable * Diff b/w hashtable and hashmap * concurrent hashmap * kind of development work done in my project * Find third largest element in the array → 2,3,1,8,6,5 * Write an abstract class and its implementation class * When will you use interface and when abstract class * Why you can implement multiple interfaces but can extend only one class
avatar

Software Engineer - Java Developer

Interviewed at Amdocs

3.7★
Jun 25, 2021

* Can the inner class access the private members of the outer class * What all operations are synchronized in hashtable * Diff b/w hashtable and hashmap * concurrent hashmap * kind of development work done in my project * Find third largest element in the array → 2,3,1,8,6,5 * Write an abstract class and its implementation class * When will you use interface and when abstract class * Why you can implement multiple interfaces but can extend only one class

Con el proyecto que pidieron hacer te preguntan de todo, tecnologias y demas que decidiste agregar, la verdad les recomendaria no ponerse a hacer swagger u otras cosas, porque creo que eso no lo valoraron En fin, preguntas de kafka, jubernetes, aws, preguntas muy tecnicas y puntuales de como usar cada uno
avatar

Java Software Engineer

Interviewed at Visa Inc.

3.8★
Apr 4, 2025

Con el proyecto que pidieron hacer te preguntan de todo, tecnologias y demas que decidiste agregar, la verdad les recomendaria no ponerse a hacer swagger u otras cosas, porque creo que eso no lo valoraron En fin, preguntas de kafka, jubernetes, aws, preguntas muy tecnicas y puntuales de como usar cada uno

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