Nexxoft Infotel Interview Questions and Answers

Q1. What is difference between join and union?
Ans. 
Join is used to combine rows from two or more tables based on a related column, while union is used to combine the result sets of two or more SELECT statements.
• Join is used to retrieve data from multiple tables based on a related column

• Union is used to combine the result sets of two or more SELECT statements

• Join can be used with different types like INNER JOIN, LEFT JOIN, RIGHT JOIN, etc.

• Union removes duplicate rows fr
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Q2. Sql queries regarding substr, instr, joins
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Q1. Tell about urself
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Q2. Salary and some other
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Verbal,logical reasoning quations,numerical reasoning

Q1. Why do you want this job
Ans. As a fresher i need a job it is good at me and my career also i wll learn new things and skills thia will help foe my skill improvement i you get a chance i will prove my self in my view your company is a better platform for me to start my career.
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It was an excellent round about half an hours

Q1. Core java and Selenium
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Q2. Oop's Concept about Inheritance and encapsulation
Ans. 
Inheritance allows a class to inherit properties and behavior from another class, while encapsulation restricts access to class members.
• Inheritance enables code reusability by allowing a subclass to inherit properties and methods from a superclass.

• Encapsulation hides the internal state of an object and only allows access through methods.

• Inheritance promotes code organization and reduces redundancy.

• Encapsulation helps i...read more
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Q3. String and Array Programming
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Q4. Collection about List,Set and Map
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Q1. About family background and Salary discussion
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