Life's journey

Interview with SCA Technologies Round 1: It was a round from Director of Engineering from US. He has asked about my projects, technologies used, tools used, research paper content and theory behind. Domain expertise and said further rounds will be there. Round 2: Technical round for JAVA, he asked following questions. 1. Tell me contract between the hashcode and equals. 2. Object orientation in java script . 3. Closures in javascript. 4. Most used collection in java ? I have answered  HashMap, then he asked, how Hash Key works. If two hash keys are same then how it's value get retrieve. 5. Asked multithreading questions: What is the thread and How we can create. Round 3: Technical Round for Spring and Design Patterns 1. What is Dependency Injection ? And How this is different from new operator. 2. Describe singleton pattern, and give a proper example for it. 3. Describe the bridge pattern and the use of it. 4. How the annotation base autowiring is diff...

Interview with Amadeus Software Labs     Interview 1: Q 1. What is the immutable. Q 2. how can you create immutable object. Q 3. How can you create jdbc connection from scratch. Q 4. How can you print hello world without calling. Q 5. class something{  static String n="Sandesh";  something(){   System.out.println(n);  } } public class staticExmaple {  public static void main(String[] args) {   something so = new something();    } } Q 6. Difference between HashMap and HashTable. Q 7. How can use a object in HashMap as a key. Q 8. What's the kernel loading in Linux. Q 9. What's the monolithic and Microkernel. Q 10. What is the thread safe. Q 11. which class, provides the wait, notify etc. Q 12. What's the static method, variable and block. Q 13. Which provides these jdbc drivers. Q 14. How can you print only duplicates using sql. Q 15. HashCode and equals contract.   Interview 2:   Q1. Diffe...

Interview with OATSystems   Q 1. Write a program to prints the linked list in reverse order using recursion and Iteration.   Q2. Write a program for giving number is power of 2 .   Q3. Write a program for finding the nth Fibonicci number using recursion and Iteration.   Q4. Find out the 3rd side of a given isoscales triangle. Two sides were 5 and 10.   Q5. What is the difference between a method call by value and call by reference.

Interview with Zynga Q1. Implement the search for the closest common ancestor of two tree nodes. Q2. Write a method that recieves queen postions on a chess board and returns true if the queens are attacking one another and false otherwise. Q3. Write a hash table implementation. Q4. Bank of a web servers, tiers of caching, dealing with connection fan-in, etc (Do you understand systems and networks, not just FOR loops). Q5. Huge bank of servers is punding data layer with connections. What do we do? Q6. Implement a Hashtable. Chaining / Linear-probing, hash stuff. Q7. Writing code to perform a binary search, determining max depth in binary tree. Q8. How do you find the max depth of binary tree? Q9. Write a class that does search and delete on a BST. Q10. Implement tinyurl. Q11. Write a function that calculates the degree between the minute and hour hand of a clock. Q12. If there was a feature you only wanted to show to 10% of the users, how would you do so ? Q13. Design a...

Interview with GROUPON Q1. Write a program for implementing Circular Queue from a array.

Interview with JDA Q1. Write a program for demonstrating polymorphism in Java. Q2. How can you make a object's clone? Q3. Write a program to find the loop in linked list. Q4. what are differences between linked list and array list in java. Q5. write a program for demonstrating dijkastra algorithm. Q6. Describe equals and hashcode relationship in java. Q7. Write a program for finding the factorial by iterative and recursive methods. Q8. Write program for adapter pattern. Q9. Write a program for Observer Pattern. Q10. Write a program for singleton Pattern. Q11. How the web-services works in java and in general. Q12. What's JMS, can you create one connection string for this ? Q13. Difference between HashMap and TreeMap. Q14. How can improve the Query and DB Performance? Q15. Write a program for searching number from a array of 100 elements. Q16. How TreeMap works in the perspective of comparison ...

Question Paper 1 Programming Questions Q 1. You have given two sorted arrays, where you required to find out the smallest number in the union of these two arrays. Q 2. You have given an array with randomly distributed 1 and 0 now you have set all 0 in beginning of array and 1 after that . Ex. [1, 0, 1, 0, 0, 0, 0, 0, 1, 1 ] [0, 0, 0, 0, 0, 0, 1, 1, 1, 1] Q 3. Your program is getting one input stream now you have to find duplicate number in this input stream as soon as it received. Q 4. Reverse a String. Q 5. Implement a queue from a singly link-list. Q 6. How can you search a word in a dictionary ? Design Questions Q1.  Design a schema for Car rental service. Q2.  Implement LRU . Analytical and Brain Treasures Q1. you have to move digits to correct following equation. 62 - 63 = 1. Q2. There is a 18 wheelers truck which is crossing a bridge and this bridge can hol...