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Engenheiro De Software Java Interview Questions

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3,072 engenheiro de software java interview questions shared by candidates

- Tell me about you - How many years of experience you have in java ? - What is the difference between Java 7 and Java 8? - What is web services? - What is the difference between Spring, SpringMVC framework and Spring Boot? - Write a program which should have collection of Strings and print all string in uppercase letter. (I started writing and he stopped in between and told me to use Java 8 features and I am not aware of Java Streams. ) - What is JPA - What is RestController - How does CRUD operations will work in Spring . Tell me the exact flow of it - Write a program to achieve multiple inheritance in java (A different way of confusing us) And some spring config related questions.
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Software Engineer - Java Developer

Interviewed at Blackbuck Insights

3.8★
May 20, 2021

- Tell me about you - How many years of experience you have in java ? - What is the difference between Java 7 and Java 8? - What is web services? - What is the difference between Spring, SpringMVC framework and Spring Boot? - Write a program which should have collection of Strings and print all string in uppercase letter. (I started writing and he stopped in between and told me to use Java 8 features and I am not aware of Java Streams. ) - What is JPA - What is RestController - How does CRUD operations will work in Spring . Tell me the exact flow of it - Write a program to achieve multiple inheritance in java (A different way of confusing us) And some spring config related questions.

//What will be minimum and maximum number //that will be printed? class AbcThread extends Thread{ private int[] _arr; public MyThread(int[] arr){ this._arr = arr; } public void run(){ for (int i=0;i<20 ; i++) { this._arr[0]++; } } public static void main(String[] args) { int[] arr ={0}; try { MyThread t1 = new MyThread(arr); MyThread t2 = new MyThread(arr); t1.start(); t2.start(); t1.join(); t2.join(); }catch(Exception ex){ System.out.println("Exception "+ex); } System.out.println(arr[0]); } }
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Software Engineer - Java Developer

Interviewed at Quantum Machines

4.1★
Nov 28, 2023

//What will be minimum and maximum number //that will be printed? class AbcThread extends Thread{ private int[] _arr; public MyThread(int[] arr){ this._arr = arr; } public void run(){ for (int i=0;i<20 ; i++) { this._arr[0]++; } } public static void main(String[] args) { int[] arr ={0}; try { MyThread t1 = new MyThread(arr); MyThread t2 = new MyThread(arr); t1.start(); t2.start(); t1.join(); t2.join(); }catch(Exception ex){ System.out.println("Exception "+ex); } System.out.println(arr[0]); } }

- Explain project that you have done (stack you used) - Explain how you overcome difficulties in a team project - Talk about yourself and previous job experience - Talked about general testing knowledge (coverage, mockito, junit, testcontainers, jenkins, automation with selenium, etc.) - General questions
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Junior Java Developer/Software Engineer

Interviewed at Merkle

3.5★
Jul 19, 2023

- Explain project that you have done (stack you used) - Explain how you overcome difficulties in a team project - Talk about yourself and previous job experience - Talked about general testing knowledge (coverage, mockito, junit, testcontainers, jenkins, automation with selenium, etc.) - General questions

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