Cognizant Engineer Trainee Interview Questions, Process, and Tips

Q1. What is Class in Java ?
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Q2. What is OOB in Java?
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Aptitude round consisted of general aptitude questions. They were easy to moderate.

Q1. Write a code to implement polymorphism.
Ans. 
Polymorphism in programming allows objects of different classes to be treated as objects of a common superclass.
• Polymorphism can be achieved in programming languages like Java through method overriding and method overloading.

• Example: In Java, a superclass Animal can have a method 'makeSound()' which is overridden in subclasses like Dog and Cat.

• Example: Method overloading in Java allows multiple methods with the same na
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Q2. Date builtin function in sql
Ans. 
The DATE function in SQL is used to retrieve the current date.
• The DATE function returns the current date in the format 'YYYY-MM-DD'.

• It does not require any parameters to be passed.

• Example: SELECT DATE();
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Medium level question on apptitude english and quants

Basic apti questions

Here our communication skill is evaluated

We were asked to discuss about installation of mobile towers and their impacts

Q1. Self introduction
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Q2. What's your strength,weakness
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Q3. Given a topic and asked to speak for a minute
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Q4. Previous work experience
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