FreeCharge Interview Experienced 2.5 years
I got the call from FreeCharge to have face to face interview in weekend.
Round 1 :
1. Reduce matrix of 0, 1 to the array so that it can only store 1 and can be convert in anytime to original matrix
2. Left View and Right view of tree
3. Square root of any number upto 2 precision (log(n)
4.Basic oops concept
5. some tricky question on polymorphism ( by grand children)
1. Searching element in sorted linked list
2. nodes at k unit distance from given node in a tree
3. which provide better abstraction interface or abstract class
4. Join vs Subquery
5. Race Condition and some other basic basic sql java concept.
1. Project Discussion
2. Diameter of tree
3. String literal, String pool
4. Java function call some questions
5. basic questions of nosql db, multithreading, design, queue, spring
Attention reader! Don’t stop learning now. Get hold of all the important DSA concepts with the DSA Self Paced Course at a student-friendly price and become industry ready. To complete your preparation from learning a language to DS Algo and many more, please refer Complete Interview Preparation Course. In case you are prepared, test your skills using TCS, Wipro, Amazon. Google , E-Litmus and Microsoft Test Serieses.