IBM Senior Application Developer Interview Questions and Answers for Experienced

Q1. SQL basic and advanced questions
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Q2. Performance optimization
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Q3. Query writing DML script and SPs
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Q1. Difference between linkedlist and arraylist Difference between set and list
Ans. 
LinkedList and ArrayList are both implementations of the List interface in Java. LinkedList uses pointers to connect elements, while ArrayList uses a dynamic array to store elements.
• LinkedList uses pointers to connect elements, allowing for efficient insertion and deletion operations.

• ArrayList uses a dynamic array to store elements, providing fast random access to elements.

• LinkedList is better suited for frequent inser...read more
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Q1. Casual discussion
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Moderate level questions

Q1. Deeply asked from Java and spring boot microservices
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Q1. Most questions asked from my experience and previous project
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Q1. - Android basics and Kotlin questions
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Q2. Code for extension function
Ans. 
An extension function is a function that extends the functionality of an existing class without modifying its source code.
• Extension functions are defined outside of the class they extend.

• They can access the properties and functions of the class they extend.

• They are called using the dot notation on an instance of the class.
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