Protechsoft Technologies Java Developer Interview Questions, Process, and Tips

Basic 2 coding questions. And it is pending and paper test.

Q1. About Java code and what will be the sample outputs
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Basic aptitude questions. (Blood relation, Time and speed, time and distance, check box, logical and reasoning)

Basic Java program with choose the blank

Q1. Basic candidate questions with resume. without technical interview questions
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Q2. Where did you go for internship?. what did you learn? And so on.
Ans. 
I interned at XYZ Company where I worked on developing Java applications. I learned about software development lifecycle, debugging, and collaborating with a team.
• Interned at XYZ Company

• Worked on developing Java applications

• Learned about software development lifecycle

• Gained experience in debugging

• Collaborated with a team
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All of them will come in a crowd and no proper inteview arrangement.Everyone had to stand with sweating in such a crowded place for 1.5 hours

They will first give a coding question paper and ask to write the errors from it and then again after one hour,they will give another question which contains 4 coding questions.We have to write the program for that. And also they will give 2 extra programming questions on their own.We have to write program for that also. After completing all these , they will ask some technical questions from the study material which they have provided. This is all about 2nd round.

Q1. Some Technical persons will ask few Technical questions from the study material they have provided via Zoom Meeting. After the zoom meeting , they will keep system check test. That means, we have to take o...read more
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Q2. Write a program for different types of books( Paperbook,E-book,Audiobook) using Inheritance Concept.
Ans. 
Program for different types of books using Inheritance Concept
• Create a Book class as the parent class

• Create Paperbook, E-book, and Audiobook classes as child classes

• Inherit properties and methods from the Book class

• Add unique properties and methods to each child class

• Example: Paperbook class can have a property for number of pages

• Example: E-book class can have a property for file format
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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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