how i learn data structure

Answer 1

The way you learn something is personal. Every person has its own way of learning so we can't really help you on that point.

If you meant where you can find resources to learn, just enter data structure on Google, or data structure tutorial and you should find what you seek.

Answer 2

thanku

Answer 3

https://www.programcreek.com/2012/11/top-10-algorithms-for-coding-interview/