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Java Software Engineer Interview Questions

"Java software engineers design, build, and maintain systems that support and run java applications. Employers are looking for candidates who display strong organizational and communication skills as well as advanced technical skill within the java universe. During an interview, expect to answer a lot engineering questions as well as discuss past projects you have worked on."

30,841 java software engineer interview questions shared by candidates

1. Output of:- public class Recursion { public int abc(int x){ if (x > 30) return x; System.out.println(x); x=x+abc(x+10); System.out.println(x); return x; } public static void main(String[] args) { new Recursion().abc(6); } } 2. Some question on Locker 3. Some question on brackets (){}[]. I attempted starting 2. 1st one was correct. 2nd one was having run time error when i checked at my place. Got rejected in the coding test but any ways it was a good experience.
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Java Developer

Interviewed at OnMobile

3.6★
Feb 9, 2017

1. Output of:- public class Recursion { public int abc(int x){ if (x > 30) return x; System.out.println(x); x=x+abc(x+10); System.out.println(x); return x; } public static void main(String[] args) { new Recursion().abc(6); } } 2. Some question on Locker 3. Some question on brackets (){}[]. I attempted starting 2. 1st one was correct. 2nd one was having run time error when i checked at my place. Got rejected in the coding test but any ways it was a good experience.

The first interview should be with a recruiter that asks about your family and your children. The second interview is with a group. The third with an architect that has no university degree .The fourth … Second interview: How should I tackle involvement in taking on development of legacy code. If I use Test Driven Development and how. If I use tests as documentation. If I use or know Domain Driven Development . How do I update my technical and general knowledge. Which are my preferred books on testing of software. My hobbies

Java Developer (Software Engineer)

Interviewed at Lequa

2.2★
Apr 12, 2017

The first interview should be with a recruiter that asks about your family and your children. The second interview is with a group. The third with an architect that has no university degree .The fourth … Second interview: How should I tackle involvement in taking on development of legacy code. If I use Test Driven Development and how. If I use tests as documentation. If I use or know Domain Driven Development . How do I update my technical and general knowledge. Which are my preferred books on testing of software. My hobbies

The task was to build a command line utility to search for string. The input is text file (where every line is a new string) and some prefix. The program should print the shortest word in a text file that starts with the given prefix. The main idea was to build a perfect data structure to store the strings from text file and to make a look up. It is supposed that text file could be very big and looking for a string in a set of strings is not suitable.
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Java Developer

Interviewed at Voxer

3.5★
Oct 10, 2017

The task was to build a command line utility to search for string. The input is text file (where every line is a new string) and some prefix. The program should print the shortest word in a text file that starts with the given prefix. The main idea was to build a perfect data structure to store the strings from text file and to make a look up. It is supposed that text file could be very big and looking for a string in a set of strings is not suitable.

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