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Junior Java Engineer Interview Questions

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3,950 junior java engineer interview questions shared by candidates

oop , abstraction encapsulation, java 8 features, default method what's is necessity of interface over abstract class, internal working of hashmap, serialization, transistent keyword, polymorphism, multithreading concept, t1.start() t1.start() t1.run() , synchronization, why string is immutable, program to sort array without any inbuilt method or algorithm, hibernate, lastly one SQL query of self join
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Junior Java Developer

Interviewed at Panamax Infotech

3.5★
Jan 17, 2022

oop , abstraction encapsulation, java 8 features, default method what's is necessity of interface over abstract class, internal working of hashmap, serialization, transistent keyword, polymorphism, multithreading concept, t1.start() t1.start() t1.run() , synchronization, why string is immutable, program to sort array without any inbuilt method or algorithm, hibernate, lastly one SQL query of self join

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