Java Software Engineer Interview Questions

3,068 java software engineer interview questions shared by candidates

3rd round - Codility Review code – Discuss all 4 questions – what was your approach? And also few questions like:- 1. What is integration test? 2. Which version of unit tests do you use? 3. How can you provide security while saving passwords in database 4. How can you check Performance of a query? 5. Discuss about one of the tool upon which I worked upon?
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Java Software Engineer

Interviewed at Adyen

3.7
Apr 2, 2020

3rd round - Codility Review code – Discuss all 4 questions – what was your approach? And also few questions like:- 1. What is integration test? 2. Which version of unit tests do you use? 3. How can you provide security while saving passwords in database 4. How can you check Performance of a query? 5. Discuss about one of the tool upon which I worked upon?

Problem solving: There will be 2 linked lists L1 and L2 and an variable x. Task is to find out number of pairs from one element from L1 + one element from L2 = x . Example: L1=12->11->10->0 L2=1->2->20->7->15->13 x=13 Expected output: 3 Explanation: (12, 1) , (11,2), (0,13) => 3 pairs
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Software Engineer - Java Developer

Interviewed at Recro

4.2
Dec 10, 2021

Problem solving: There will be 2 linked lists L1 and L2 and an variable x. Task is to find out number of pairs from one element from L1 + one element from L2 = x . Example: L1=12->11->10->0 L2=1->2->20->7->15->13 x=13 Expected output: 3 Explanation: (12, 1) , (11,2), (0,13) => 3 pairs

The technical round was of 1 hr in this firstly all the core java questions were asked like object class, polymorphism, method hiding, abstraction, then Singleton class, then one coding question: print frequency of each letters in string. Then from spring boot: autowire, rest controller, how you are connect your data base in your application. Describe your application. Your day to day task Managerial round: why you are leaving your current org. Are you comfortable in relocation, tell me about day to day responsibility, tell me about yourself. Hr: are you comfortable in the work which we are hiring for, how will tackle your work as you have experience of service based org. Are you comfortable in relocation. How much you are expecting from us.
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Software Engineer - Java Developer

Interviewed at Amdocs

3.7
Oct 10, 2022

The technical round was of 1 hr in this firstly all the core java questions were asked like object class, polymorphism, method hiding, abstraction, then Singleton class, then one coding question: print frequency of each letters in string. Then from spring boot: autowire, rest controller, how you are connect your data base in your application. Describe your application. Your day to day task Managerial round: why you are leaving your current org. Are you comfortable in relocation, tell me about day to day responsibility, tell me about yourself. Hr: are you comfortable in the work which we are hiring for, how will tackle your work as you have experience of service based org. Are you comfortable in relocation. How much you are expecting from us.

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