Accelya Solutions India Limited Interview Questions, Process, and Tips

Q1. What is interface
Ans. 
An interface in Java is a reference type, similar to a class, that can contain only constants, method signatures, default methods, static methods, and nested types.
• Interfaces are used to define a contract for classes that implement them.

• Classes can implement multiple interfaces, but can only extend one class.

• Interfaces can be used to achieve abstraction and multiple inheritance in Java.

• Example: interface Shape { void d...read more
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Q2. SQL query on based of joins
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Q1. Database questions
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Q2. API response design, put and post diff
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One coding question of string. Medium level.

Q1. Reverse a linkedlist
Ans. 
Reverse a linkedlist by changing the pointers direction
• Iterate through the linkedlist and change the direction of pointers

• Use three pointers to keep track of current, previous, and next nodes

• Update the head of the linkedlist to point to the last node as the new head
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Q2. Detect and remove cycle from linked list
Ans. 
To detect and remove a cycle from a linked list, we can use Floyd's Cycle Detection Algorithm.
• Use two pointers, slow and fast, to detect a cycle in the linked list.

• If there is a cycle, the fast pointer will eventually meet the slow pointer.

• Once the cycle is detected, reset one of the pointers and move them at the same pace to find the start of the cycle.

• Remove the cycle by setting the next pointer of the node where the
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Was easy and could be cracked.

Q1. Checked my DSA skills like arrays and linked list. Medium level questions
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Q2. Also focused on C++ language and asked some core programming questions and OOP too
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Q1. About family and qualifications
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Q2. What do u know about acceleya
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Aptitude and technical questions

Q1. Basic testing questions and scenario based
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Q2. Api and sql questions
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Q1. Simple SQL queries
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Q2. Retrieve all the data from table
Ans. 
Use a SQL query to retrieve all data from a table
• Use SELECT * FROM table_name to retrieve all data

• Make sure you have the necessary permissions to access the table

• Consider using WHERE clause for specific data retrieval

• Check for any filters or conditions specified in the query
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Simple Aptitude ques

2 questions in 60 min difficulty level Medium

Q1. How to sort and arrray
Ans. 
To sort an array of strings, use a sorting algorithm like quicksort or mergesort.
• Use a sorting algorithm like quicksort or mergesort to sort the array of strings.

• Implement a comparison function to define the sorting order.

• Consider the time complexity of the sorting algorithm for efficiency.

• Example: Sorting an array of strings alphabetically.
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Q2. How to reverse an string
Ans. 
Use a loop to iterate through the string and build a new string in reverse order.
• Create an empty string to store the reversed string.

• Iterate through the original string from the end to the beginning.

• Append each character to the new string.

• Return the reversed string.
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