How to prepare for the Coding Interview?
Software development is a highly competitive and rewarding job-market. Besides accumulating the necessary technical skills, the first barrier to entry is the technical interview. A typical technical interview will include introductions and discussions about the project in your background, in depth-questions regarding frameworks you have worked with, and coding challenges to test problem-solving skills and algorithm-writing chops.
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Different types of Technical Interview:-
There are a few different types of technical interviews. These interview types tell us a lot about the mindset of the company and what it is like to work there! I break down the different types like this:
- White-boarding
- Code challenge (Computer-science questions and algorithms)
- Code challenge (reasonable coding problem)
- Take-home project
Cracking the Coding Interview:-
"Cracking the Coding Interview: 189 Programming Questions and Solutions" by Gayle Laakmann McDowell is the most popular book written on the subject.
Buy it from Amazon: https://www.amazon.in/Cracking-Coding-Interview-Programming-Questions/dp/0984782850
Buy it from Flipkart: https://www.flipkart.com/cracking-coding-interview-189-programming-questions-solutions/p/itmedsghcsquxwmr
The book goes into deeper knowledge on what to expect for an interview at top tech companies and how to prepare yourself for a coding interview, including tips on writing a good resume and what topics you should study. She then goes on to give lots of pointers for the best approach to answering interview questions.
The author worked as a software engineer at Google, Microsoft, and Apple and conducted interviews with hundreds of other software engineers.
Going through the material in the first few chapters of Cracking the Coding Interview will give you a good understanding of the data structures commonly found in coding challenges.
- Array and Strings
- Linked Lists
- Stacks and Queues
- Trees and Graphs
Some technical questions designed to test your technical Knowledge:-
- How much reuse do you get out of the code that you develop, and How?
- Which do you prefer, service-oriented or batch-oriented solutions?
Classic coding Questions include:
- Write a method that reverses a String using only String API functions.
- Sort an array of integers from least to greatest without any API functions.
- Find the employee with the second-highest salary using SQL.
Before you start writing code, always ask questions. Clarify the requirements and write them down somewhere. Draw diagrams, process flows, and other documentation to show you fully understand the problem before you start coding.
Practice makes perfect:
If you have got tech interviews coming up, it's a good idea to get in the habit of working a couple of hours for the different coding challenges every day. If you doing this thing every day the more experience you have working on these types of problems the more confidence you will have when presented with a new one.
Another good tip is to practice coding in a plain text editor or with pen on paper. That way, your confidence will show up when it really matters.
Conclusion:
To fully prepare for your technical interview, you should always know the company, gives you s good first impression, understand body language, learn to talk about your projects, and be ready for a coding assignment. If you be yourself, prepare well, and bring you the best to the interview, you are one step closer to landing that dream job!
Blog Contributed by Nivedita Shivhare
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