U2opia Mobile Interview Experience

Last Updated : 14 Sep, 2014
Applied through Greymeter and received call next day for the recruitment process of Software Enginner(Product Development-C, C++, Java) Test started with Written Tests Comprises of 11 Questions Java,20 Questions c++ and 20 Questions Analytical ability In Java,C++ questions were totally concept based and you have to attempt all of them as there is no negative marking. Java:
String s1 = "Hello";
String s2 = "Hello";
if(s1==s2)
    System.out.println("Yes");
else
    System.out.println("No");



String s1 = "Hello";

if(s1=="Hello")
    System.out.println("Yes");
else
    System.out.println("No");

if(s1.substring(0,3)=="Hel")
    System.out.println("Yes");
else
    System.out.println("No");
What interface or class you have to implement or extend to override java's default mechanism : ________________________ Which one of the following is thread safe 1.StringBuffer 2.StringBuilder What are the ways you can implement threading in java. ____________________ ______________________ _______________________ C++: int *p=10; cout<<*p; int *p=10; count<<p; how to get address of float type variable 1. & 2. float (&) C inherit B and B inherit A, what are the data types of B and A ,C can access 1.Protected and Public 2.Public and Private 3.Private Only 4.Protected Only Aptitude : Questions were based on following types: 1.Speed Distance Time 2.Profit and Loss 3.Geometry 4.Average Technical Interview (First Round) : 1. Differences between C++ and Java ? How is java platform Independent ? 2. Garbage Collection ? Why java perform its own garbage Collection ? what was the problem with delete and free in C,C++? 3. Thread Implementation ? Daemon threads ? How to implement ? What is the difference between thread and a process ? 4. Abstract class vs Inteface ? Give scenarios for which two different concepts are introduced ? 5. Interviewer wrote 5-6 programs based on Strings,Threading,Exception Handling,dynamic method dispatch and ask me to find Errors,Correct them and give the final output. Technical Interview 2(Second Round): 1. He draw a tree structure on board and ask me to store the structure in a table without disturbing relations. 2. How to implement Automatic Garbage collection in C++? 3. Write a program for queue ? HR Round : Discussion about Products company made till date, and what my role will be if I got selected.
Comment