Shinhan Bank Senior Engineer Interview Questions and Answers

Q1. Java programming questions
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Q1. System design , HLD, LLD , coding question
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Q1. 1. Asked me to create rest controller with given end point 2. String equality questions in string pool and new string object
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Behavioural and culture fit

Q1. Basics of java script
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Basic code to be written

Q1. SQL Commit rollback savepoint
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Q2. Linux Commands like scp grep
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Q1. Scenario based questions
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Q2. Company background details questions
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Coding round consisted of three problems with easy to moderate level difficulty.

Q1. Variation of Minimum number of platforms required for railway station.
Ans. 
Minimum number of platforms required for a railway station depends on the maximum number of trains arriving and departing at the same time.
• Calculate the maximum number of trains arriving and departing at the same time.

• Determine the time intervals for each train's arrival and departure.

• Add extra platforms for buffer and unexpected delays.

• Consider factors like train length, frequency, and scheduling conflicts.

• Example: If...read more
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Q2. Rearrange the array such that the negative numbers are shifted to the beginning.
Ans. 
Rearrange array with negative numbers at the beginning
• Iterate through the array and move negative numbers to the beginning

• Use two pointers approach to swap elements

• Maintain the order of negative numbers while shifting them to the beginning
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Q1. Implement a simple program using multithreading.
Ans. 
A simple program using multithreading can be implemented to demonstrate parallel execution of tasks.
• Create a class that implements the Runnable interface in Java.

• Override the run() method to define the task that will run in a separate thread.

• Create instances of the class and start them using the Thread class.

• Use synchronization mechanisms like locks or semaphores to manage shared resources in a thread-safe manner.
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Q2. Explain in details about the Java Collections API.
Ans. 
Java Collections API provides a set of classes and interfaces to store and manipulate collections of objects.
• Includes interfaces like List, Set, and Map for different types of collections

• Provides classes like ArrayList, HashSet, and HashMap for implementing collections

• Offers utility classes like Collections for common operations on collections

• Introduced in Java 2 and has been expanded in subsequent versions
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Q1. Field Civil engineer work
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Q2. Construction related work
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Q3. Digtel office work work
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Q4. Building marketing work
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Q5. Finance marketing &good response
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Q6. Measurements &drawing basic knowledge
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