Google Pay Java Developer Interview Questions and Answers

Q1. Design patterns
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Q2. How hashcode and equals related to each other
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Q1. HLD for rental property website
Ans. 
High-level design for a rental property website
• Use case analysis to identify key functionalities such as property listing, search, booking, payment

• Design a user-friendly interface with filters, maps, and photos for property listings

• Implement a secure payment gateway for online transactions

• Utilize a database to store property details, user information, and booking history
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CodeSignal platform 2 easy and 2 difficult questions

Design text editor, one problem, explain while you code.

Q1. Based on your resume
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3 Questions Medium Level

Q1. Java Coding Question Hard Level
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Questions were little difficult

Question: check if the given string can form palindrome of rearranged

Few programs to write and execute

Q1. All about microservices and spring boot
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Q2. Hibernate related they asked many questions
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Q1. Modified binary search
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Q1. Check if braces are balanced
Ans. 
Check if braces are balanced in a given string
• Use a stack to keep track of opening braces

• Iterate through the string and push opening braces onto the stack

• When a closing brace is encountered, pop from the stack and check if it matches the corresponding opening brace

• If stack is empty at the end and all braces are matched, then the braces are balanced
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Q1. Puzzles - How to track 1.5 hours with 2 candles that burn for 1 hour each without cutting in half.
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