JSW Group Java Application Developer Interview Questions and Answers

Q1. Return second largest number in an array?
Ans. 
Return the second largest number in an array of strings.
• Convert the array of strings to an array of integers.

• Sort the array in descending order.

• Return the second element in the sorted array.
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Q2. Sort the array in descending order?
Ans. 
Sort array of strings in descending order
• Use built-in sort function with custom comparator function

• Comparator function should compare strings in reverse order

• Example: ['apple', 'banana', 'cherry'] -> ['cherry', 'banana', 'apple']
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Reasoning 20 minutes

Related to my fields 20

There were two questions: one related to machine learning and the other regarding service pipelines.

Q1. What is Pointer
Ans. 
A pointer is a variable that stores the memory address of another variable.
• Pointers are used to access and manipulate memory directly.

• They are commonly used in programming languages like C and C++.

• Example: int *ptr; // declares a pointer to an integer variable
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Q2. What is Git versioning
Ans. 
Git versioning is a system that tracks changes in code files, allowing multiple developers to collaborate and manage different versions of the codebase.
• Git versioning allows developers to track changes made to code files over time.

• Developers can create branches to work on new features or bug fixes without affecting the main codebase.

• Commits are used to save changes to the codebase, providing a history of modifications ...read more
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Q3. Page life cycle
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