Protechsoft Technologies Interview Questions, Process, and Tips

20 aptitude questions and 5 questions

Q1. Oops Abstraction Polymorphism Encapsulation
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Q2. Define method overiding What is abstract class
Ans. 
Method overriding is when a subclass provides its own implementation of a method that is already defined in its superclass.
• Method overriding is used to achieve runtime polymorphism in Java.

• The method signature (name, parameters, return type) must be the same in both the superclass and subclass.

• The access level of the overriding method cannot be more restrictive than the overridden method.

• Example: public class Animal { ...read more
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Q3. What is abstract class
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An abstract class is a class that cannot be instantiated and is meant to be subclassed.
• An abstract class can have abstract methods that must be implemented by its subclasses.

• Abstract classes can also have non-abstract methods and variables.

• Abstract classes provide a way to define common behavior and characteristics for a group of related classes.

• Example: The abstract class 'Animal' can have abstract method 'makeSound()...read more
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Only theory questions

Q1. Final, Finally, Finalize questions
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Q2. Abstract class questions
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Technical written test

Q1. About the project
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Q2. Difference between c,c++
Ans. 
C is a procedural programming language, while C++ is an object-oriented programming language that is an extension of C.
• C is a procedural programming language, focusing on functions and procedures.

• C++ is an object-oriented programming language, allowing for classes, objects, and inheritance.

• C++ is an extension of C, adding features like classes, templates, and exception handling.
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Q1. Tell me about yourself
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I am a passionate Java Developer with 5 years of experience in developing web applications and implementing software solutions.
• 5 years of experience in Java development

• Strong knowledge of web application development

• Skilled in implementing software solutions

• Experience with frameworks like Spring and Hibernate
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Q2. What do you like
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I enjoy problem-solving, learning new technologies, and collaborating with team members.
• I like working on challenging projects that require creative solutions

• I enjoy staying up-to-date with the latest advancements in technology

• I appreciate the opportunity to work with a diverse team and learn from their perspectives
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Profit & loss, Distance & Time & Speed, S.I, C.I,...

Q1. 3rd Maximum salary
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Q2. Subquery & joins related Questions
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Q1. Introduce Yourself
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Q2. Normalization, subquery, joins, Dml, ddl
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