Broadridge Financial Solutions Junior .NET Developer Interview Questions and Answers

Writing URLShortener or LoadBalancer in Java

Q1. ACID definition and Isolation levels
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Q2. CAP Theoreme and Distributed transactions
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Q1. Design patterns
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Q2. How hashcode and equals related to each other
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The topic was -> "One nation one election"

Q1. What is a String pool in Java?
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String pool in Java is a pool of unique strings stored in memory to optimize memory usage.
• String pool is a part of Java's memory where unique string literals are stored.

• When a new string is created, Java checks if it already exists in the pool to save memory.

• Strings created using double quotes are added to the pool, while those created using 'new' keyword are not.

• Example: String str1 = "hello"; String str2 = "hello"; /...read more
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Q2. Explain different types of exception in Java.
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Java has checked and unchecked exceptions. Checked exceptions must be handled at compile time, while unchecked exceptions do not need to be handled explicitly.
• Checked exceptions: Must be caught or declared in the method signature. Example: IOException, SQLException

• Unchecked exceptions: Do not need to be caught or declared. Example: NullPointerException, ArrayIndexOutOfBoundsException
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DSA leetcode on hackerrank

One medium and one standard DP question

Q1. Medium level question based on binary search
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Q1. Design google-pay
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Design Google Pay - a digital wallet platform for online payments and transactions.
• Allow users to securely store payment information such as credit/debit cards, bank accounts, and loyalty cards.

• Enable users to make payments in stores, online, and within apps using their stored payment methods.

• Implement security features like biometric authentication, tokenization, and encryption to protect user data.

• Provide features fo...read more
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Q2. HLD of recursive
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High Level Design (HLD) of recursive functions in software development.
• Recursive functions call themselves to solve smaller instances of the same problem.

• HLD of recursive functions involves defining the base case, recursive case, and termination condition.

• Example: HLD of a recursive function to calculate factorial of a number involves defining base case as factorial(0) = 1.
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Q1. Puzzles available on GFG
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Q2. Behavioral question
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Q1. HLD for rental property website
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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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Q1. Screening Round
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Q2. Question Related to Resume
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Design text editor, one problem, explain while you code.

Q1. Based on your resume
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