Incedo Software Developer Trainee interview questions

1: Introduction 2: Project Discussion and Questions 3: Merge Sort 4: Quick Sort vs Merge Sort 5: Check Loop in a Link List 6: Write a Program to Print only those alphabets which appear more than 1 times in a given string. 7: Polymorphism & Virtual Functions 8: Puzzle - Given 9 balls, 8 balls of y weights, 1 ball of x weight, where x>y, What is the least number of iterations to separate the x weight ball. Give a generalize algorithm.

What is INNER Join and tell about JSON and XML