Morningstar Interview Questions, Process, and Tips

Q1. Questions related to Java, AWS, Microservices
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Q2. Program to find 2 biggest number in array
Ans. 
Program to find 2 biggest numbers in array of strings
• Iterate through the array and convert each element to integer

• Keep track of the two biggest numbers found so far

• Return the two biggest numbers at the end
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Q1. Java related questions
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Q2. Design patterns
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Q1. Ask to write code for equal and hashcode in notepad
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Q2. Type of Collections and its internal working
Ans. 
Java collections are data structures that store and manipulate groups of objects.
• Types of collections include List, Set, Map, Queue, etc.

• Internal workings involve data structures like arrays, linked lists, hash tables, etc.

• Collections framework provides interfaces and classes for working with collections.

• Example: ArrayList internally uses an array to store elements.
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Q3. Count number of occurrence of string from Array
Ans. 
Count occurrences of a specific string in an array of strings.
• Iterate through the array and compare each element with the target string.

• Increment a counter each time the target string is found.

• Return the final count of occurrences.
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Normal ...basic English ,logical questions & finance based questions.

Q1. How will you deal with your manager if you had fights ( all behavioural questions as per office to test your confidence for the role)
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Q2. Be confident mostly behavioural & situation based questions asked for this role.
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Hakerrank problem statement to solve

Q1. Core Java, Spring Boot, AWS
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Q2. What is DI and IoC, RestTemplate, Design patterns
Ans. 
DI and IoC are design principles in software development. RestTemplate is a class for making HTTP requests. Design patterns are reusable solutions to common problems.
• DI (Dependency Injection) is a design pattern where objects are passed their dependencies rather than creating them internally.

• IoC (Inversion of Control) is a design principle where the control of object creation and lifecycle is inverted to a container or...read more
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Q3. SQL vs NoSQL, Working of Keys in DynamoDB
Ans. 
SQL is relational database, NoSQL is non-relational. DynamoDB uses primary keys for data retrieval.
• SQL is a relational database management system, while NoSQL is a non-relational database management system.

• SQL databases use structured query language for defining and manipulating data, while NoSQL databases use various data models like document, key-value, graph, etc.

• In DynamoDB, keys are used for data retrieval. Primar...read more
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Q4. How hashmap works
Ans. 
HashMap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
• HashMap uses a hash function to map keys to indices in an array.

• Collisions can occur when multiple keys hash to the same index, which is resolved using techniques like chaining or open addressing.

• HashMap in Java is a popular implementation that provides constant-time complexity for basic operations like get and
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Q5. Circuit Breaker design pattern
Ans. 
Circuit Breaker design pattern is used to prevent a system from repeatedly trying to execute an operation that is likely to fail.
• Circuit Breaker pattern is used to handle faults in distributed systems by providing a way to fail fast and prevent cascading failures.

• It monitors the number of failures and once a threshold is reached, it opens the circuit and stops executing the operation.

• After a certain period of time, the...read more
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Q1. Mostly behavioural questions oriented in the background experience and soft skills. Overall a great friendly discussion and good experience.
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Q2. Why do we hire you?
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Q3. Why this position? And why Morningstar?
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Q4. Project assessment processes and KPIs
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Q5. How di you handle conflict at workplace?
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Basic Aptitude Questions

Q1. Core Finance Questions
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Q2. Different presentation of balance sheet
Ans. 
Balance sheet can be presented in vertical or horizontal format, with assets on one side and liabilities and equity on the other.
• Balance sheet can be presented in a vertical format, where assets are listed on the left side and liabilities and equity on the right side.

• Alternatively, it can be presented in a horizontal format, with assets at the top and liabilities and equity below.

• Common sections on a balance sheet incl...read more
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Q3. Ratio Analysis for companies
Ans. 
Ratio analysis is a method of evaluating a company's financial performance by comparing different financial metrics.
• Ratio analysis helps in assessing a company's liquidity, profitability, efficiency, and solvency.

• Common ratios include current ratio, quick ratio, return on equity, and debt-to-equity ratio.

• It is important to compare ratios with industry benchmarks or historical data for better interpretation.

• Ratio analys...read more
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