DXC Technology Software Engineer Interview Questions, Process, and Tips

Q1. Questions related to spring boot ?
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It was a simple aptitude test, with basics of Apti being asked, like blood relations, LCM/HCF problems, probability, SI/CI problems, etc.

The test was easy enough, with code for traversing an array asked, and using hashmap and linked lists.

10 MCQ for code snippets
3 Coding questions - 2 Basic , 1 Intermediate

Q1. 1. Resume based questions 2. Write and explain 2 basic coding questions 2. Basic SQL 3. Basic concepts of OOPs
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Q2. 1. check if string is Palindrome.
Ans. 
Check if a given string is a palindrome or not.
• A palindrome is a word, phrase, number, or other sequence of characters that reads the same forward and backward.

• To check if a string is a palindrome, compare the first and last characters, then the second and second-to-last characters, and so on.

• If all pairs match, the string is a palindrome. If any pair does not match, the string is not a palindrome.
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Q3. 2. Difference between DELETE and TRUNCATE and DROP
Ans. 
DELETE removes specific rows, TRUNCATE removes all rows, DROP removes entire table.
• DELETE is a DML command, TRUNCATE and DROP are DDL commands.

• DELETE can have a WHERE clause to specify which rows to delete.

• TRUNCATE resets the table and cannot be undone.

• DROP removes the table and all associated objects.

• Example: DELETE FROM table WHERE id = 1;

• Example: TRUNCATE table;

• Example: DROP TABLE table;
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Q4. What are 4 Pillars of OOPs
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4 Pillars of OOPs are Abstraction, Encapsulation, Inheritance, and Polymorphism.
• Abstraction: Hiding implementation details and showing only necessary information.

• Encapsulation: Binding data and functions together and restricting access to them.

• Inheritance: Creating new classes from existing ones, inheriting properties and methods.

• Polymorphism: Ability of objects to take on multiple forms or behaviors.
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Q1. 30 mins around Basic questions about you goal and ambitions About the company
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