As per Google’s official career page, there are two types of interviews, Phone/Hangout interviews and Onsite Interviews. Below is an excerpt for their official page.
For software engineering candidates, we want to understand your coding skills and technical areas of expertise, including tools or programming languages and general knowledge on topics like data structures and algorithms. There’s generally some back and forth in these discussions, just like there is on the job, because we like to push each other’s thinking and learn about different approaches. So be prepared to talk through your solutions in depth. Push your own boundaries and find the best answer—that’s probably how you work anyway.
Important Resources :
Attention reader! Don’t stop learning now. Get hold of all the important DSA concepts with the DSA Self Paced Course at a student-friendly price and become industry ready. To complete your preparation from learning a language to DS Algo and many more, please refer Complete Interview Preparation Course. In case you are prepared, test your skills using TCS, Wipro, Amazon and Microsoft Test Serieses.