Dell Senior Software Engineer Interview Questions, Process, and Tips

Q1. About Siebel and Salesforce
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Siebel coding and Salesforce coding

Q1. About Salary negotiation
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Q1. Core Java and Spring boot questions
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Q2. Hibernate, Spring, Junit, Mockito and Micro service questions
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Q3. Difference between String and StringBuffer
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String is immutable while StringBuffer is mutable.
• StringBuffer is faster for concatenation operations.

• StringBuffer has methods to modify the string.

• StringBuffer is thread-safe while String is not.

• StringBuffer has a larger memory footprint than String.
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Q1. Internal Structure of hashmap and hashing algorithm
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Explanation of internal structure of hashmap and hashing algorithm
• Hashmap is a data structure that stores key-value pairs using a hash function

• Hashing algorithm converts the key into an index in the array

• Collisions can occur when two keys map to the same index

• Chaining and open addressing are two methods to handle collisions

• Load factor determines when to resize the hashmap
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Q2. Difference between predicate and supplier
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Predicate is a functional interface that takes an argument and returns a boolean value. Supplier is a functional interface that takes no argument and returns a value.
• Predicate is used for filtering or testing a condition on an object.

• Supplier is used for providing a value or generating a value.

• Predicate takes an argument and returns a boolean value based on the condition.

• Supplier takes no argument and returns a value.

• E...read more
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