Sincro Interview Questions and Answers

Create a Linkedlist and convert to stack

• Create a LinkedList class with methods to add, remove, and display elements

• Implement a Stack class using the LinkedList class by utilizing push and pop methods

• Ensure that the Stack follows the Last In First Out (LIFO) principle

A program to solve a sudoku puzzle using backtracking algorithm

• Implement a function to check if a number can be placed in a specific cell

• Use backtracking to try different numbers in empty cells until the puzzle is solved

• Ensure the solution follows sudoku rules (no repeated numbers in rows, columns, or subgrids)

Encapsulation in Java is the concept of wrapping data (variables) and code (methods) together into a single unit, known as a class.

• Encapsulation helps in data hiding, as the internal state of the object is hidden from the outside world.

• It allows for better control over the data by providing getter and setter methods to access and modify the data.

• Encapsulation also helps in maintaining the integrity of the data by preventing direct access to it.

• Example: private variables in a ...read more

Java feature includes platform independence, object-oriented programming, and automatic memory management.

• Platform independence allows Java programs to run on any platform without recompilation.

• Object-oriented programming supports concepts like inheritance, encapsulation, and polymorphism.

• Automatic memory management through garbage collection helps in managing memory efficiently.