Java Developer Fresher Interview Questions

157 java developer fresher interview questions shared by candidates

abstract class, can you override and overload a method(didn't understood -on same method?), he said qualification is not enough and some other points. what can you do practically now(I said Witte program like sorting, fact, string manipulation etcc....? unexpected questions asked. I will remember anything can happen in interview. some questions I didn't know what he was asking about never heard that thing in core and Advance Java.

Java Developer Fresher

Interviewed at Pinnacle Infotech

3.3
Dec 27, 2016

abstract class, can you override and overload a method(didn't understood -on same method?), he said qualification is not enough and some other points. what can you do practically now(I said Witte program like sorting, fact, string manipulation etcc....? unexpected questions asked. I will remember anything can happen in interview. some questions I didn't know what he was asking about never heard that thing in core and Advance Java.

1. In-House Assessment Test: 10 MCQs on Core Java Topics: These covered concepts such as threads, JVM internals, OOP principles, and the collection framework. 5 MCQs on Basic Database Concepts: Focused on join queries and their applications. 5 Programming Questions: Asked to implement concepts like inheritance, polymorphism, abstraction, encapsulation, and overriding. 3-4 SQL Queries: Focused on join operations and aggregate functions to assess practical SQL knowledge. 2. Technical Round: OOP Concepts: Explained the principles of Object-Oriented Programming with real-world examples. Collection Framework: Described the collection framework in Java, including sub-questions on ordered and unordered classes within it. JVM Internals: Provided an explanation of the Java Virtual Machine internals, including a diagram to illustrate its architecture. Database Questions: Answered questions related to database management, focusing on query optimization and relational database concepts. Project Implementation: Discussed how I applied these concepts in my project, explaining the practical usage of OOP, JVM internals, the collection framework, and database queries.
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Java Fresher

Interviewed at Euronet

3.2
Apr 3, 2025

1. In-House Assessment Test: 10 MCQs on Core Java Topics: These covered concepts such as threads, JVM internals, OOP principles, and the collection framework. 5 MCQs on Basic Database Concepts: Focused on join queries and their applications. 5 Programming Questions: Asked to implement concepts like inheritance, polymorphism, abstraction, encapsulation, and overriding. 3-4 SQL Queries: Focused on join operations and aggregate functions to assess practical SQL knowledge. 2. Technical Round: OOP Concepts: Explained the principles of Object-Oriented Programming with real-world examples. Collection Framework: Described the collection framework in Java, including sub-questions on ordered and unordered classes within it. JVM Internals: Provided an explanation of the Java Virtual Machine internals, including a diagram to illustrate its architecture. Database Questions: Answered questions related to database management, focusing on query optimization and relational database concepts. Project Implementation: Discussed how I applied these concepts in my project, explaining the practical usage of OOP, JVM internals, the collection framework, and database queries.

It all started with oops language implementation code with real life examples, then came a data structure question on sorting following which came the scenario based question in which I had to extract the hidden task and explain the implementation/idea of approach to interviewer first followed by choosing a specific language to show the flowchart , algorithm/pseudocode.
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Java Fresher

Interviewed at Virtusa

3.7
Feb 14, 2024

It all started with oops language implementation code with real life examples, then came a data structure question on sorting following which came the scenario based question in which I had to extract the hidden task and explain the implementation/idea of approach to interviewer first followed by choosing a specific language to show the flowchart , algorithm/pseudocode.

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