Wells Fargo Vice President Interview Questions and Answers

Q1. How HashMap internally works in java ?
Ans. 
HashMap in Java is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values.
• HashMap uses hashing to store and retrieve key-value pairs.

• It uses an array of linked lists to handle collisions.

• The key's hash code is used to determine the index in the array where the key-value pair will be stored.

• If two keys have the same hash code, they are stored in the same linked list.

• HashMap allows o...read more
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Q2. How HashSet internally works in java ?
Ans. 
HashSet internally uses a HashMap to store elements as keys with a dummy value.
• HashSet uses a HashMap to store elements as keys with a dummy value

• It does not allow duplicate elements

• Elements are stored based on their hash code

• HashSet does not maintain insertion order
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Q1. CC PnL elements
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Q2. Difference between clustering and segmentation
Ans. 
Clustering groups similar data points together based on features, while segmentation divides data into distinct groups based on predefined criteria.
• Clustering is unsupervised learning, while segmentation is typically a supervised process.

• Clustering is used in data mining and machine learning to discover patterns, while segmentation is often used in marketing to target specific customer groups.

• Examples of clustering alg...read more
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Q3. How do you segment customers for a specific travel friendly credit card
Ans. 
Segment customers based on travel habits, preferences, and spending patterns to offer a tailored travel friendly credit card.
• Segment customers by frequency of travel (e.g. frequent flyers, occasional travelers)

• Segment customers by preferred travel destinations (e.g. domestic vs international)

• Segment customers by travel spending habits (e.g. luxury travelers, budget travelers)

• Offer benefits and rewards tailored to each
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Interview by peer, general details of previous experiences , agile , process ,definitions

Q1. Scenario based question,agile ,role of Product Owner
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Q1. Executive level discussion
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Q1. Salary negotiations and discussing ,company policies
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Q1. Situation Questions, Past experience, why this role?, What value addition you can bring to the table, Ensure you know each and every point you mentioned in the resume (basic rule for any interview), Interv...read more
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Q1. Package, expectations, past experience to name a few
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Q1. Basic questions covering biodata related
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Project showcase from one if my previous works

Brief shared with task and timeline