Ashro Textiles Interview Questions and Answers

Data structure is a way of organizing and storing data in a computer so that it can be accessed and used efficiently.

• Data structures can be classified into two types: primitive and non-primitive.

• Primitive data structures include integer, float, character, and boolean.

• Non-primitive data structures include arrays, linked lists, trees, graphs, and hash tables.

• The choice of data structure depends on the type of data, the operations to be performed, and the efficiency required.

Join is a SQL operation that combines rows from two or more tables based on a related column between them.

• Types of join include inner join, left join, right join, and full outer join

• Inner join returns only the matching rows from both tables

• Left join returns all rows from the left table and matching rows from the right table

• Right join returns all rows from the right table and matching rows from the left table

• Full outer join returns all rows from both tables, with NULL values f...read more

Elements are sorted based on the sorting algorithm used and the data type of the elements.

• Sorting algorithms like bubble sort, quick sort, merge sort, etc. are used to sort elements.

• Elements can be sorted in ascending or descending order.

• Data type of elements affects the sorting order. For example, strings are sorted alphabetically.

• Custom sorting can be implemented using comparator functions.

A data structure that consists of a sequence of nodes, each containing a reference to the next node.

• Link list is a linear data structure.

• It is made up of nodes that contain data and a reference to the next node.

• It can be singly linked or doubly linked.

• Example: Singly linked list - 1 -> 2 -> 3 -> null

• Example: Doubly linked list - null <- 1 <-> 2 <-> 3 -> null

C is a procedural language while Java is an object-oriented language.

• C is compiled while Java is interpreted

• C has pointers while Java does not

• Java has automatic garbage collection while C does not

• Java is platform-independent while C is not

• Java has built-in support for multithreading while C does not