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I applied via Naukri.com and was interviewed in Jul 2021. There were 3 interview rounds.
Object is an instance of a class that has its own set of properties and methods. A class is a blueprint for creating objects.
An object is a real-world entity with its own set of attributes and behaviors.
A class is a template or blueprint for creating objects.
Objects are created from classes using the 'new' keyword.
Classes can have properties (variables) and methods (functions).
Inheritance allows classes to inherit prop...
Overloading is having multiple methods with the same name but different parameters. Overriding is having a method in child class with the same name and signature as in parent class.
Overloading is compile-time polymorphism while overriding is runtime polymorphism.
Overloading is done in the same class while overriding is done in different classes.
Overloading is used to provide different implementations of the same method...
Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.
Inheritance allows for code reuse and promotes code organization.
The existing class is called the parent or superclass, while the new class is called the child or subclass.
The child class inherits all the properties and methods of the parent class, and can also add its own unique properti...
Trigger is a database object that executes automatically in response to certain events. Cursor is a database object used to manipulate data.
Triggers are used to maintain data integrity and consistency.
Triggers can be used to audit changes made to the database.
Cursors are used to iterate through a set of rows returned by a query.
Cursors can be used to update or delete rows in a table.
Triggers and cursors are commonly us
Union and intersection are set operations used in mathematics and computer science.
Union combines two sets and removes duplicates
Intersection returns the common elements between two sets
Example of union: {1,2,3} union {3,4,5} = {1,2,3,4,5}
Example of intersection: {1,2,3} intersection {3,4,5} = {3}
Encapsulation is the process of hiding implementation details and exposing only necessary information.
Encapsulation helps in achieving data abstraction and information hiding.
It allows for better control over data and prevents unauthorized access.
An example of encapsulation is a class in object-oriented programming, where the data members are private and can only be accessed through public methods.
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I applied via Campus Placement and was interviewed before Jul 2021. There were 4 interview rounds.
Aptitude test on CS subjects like C programming, DBMS, CN, and OS.
There were 2 input-output based questions of easy to moderate level
Every candidate was given an individual topic and was asked to speak on it
I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.
I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.
Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
OOPs stands for Object-Oriented Programming System
Java is a class-based OOPs language
Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs
Objects have state and behavior
Java supports interfaces, which allow for multiple inheritance
Example: A car can be represented as an object wit...
Java solves machine dependency by using bytecode and virtual machine.
Java code is compiled into bytecode which is platform-independent
The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific
JVM translates bytecode into machine code for the specific platform
This allows Java code to run on any platform with a JVM installed
Example: A Java program compiled on Windows can run on Linux or Mac as
I applied via Company Website and was interviewed before Jul 2021. There were 3 interview rounds.
Aptitude, reasoning, English, cloud sections
2 questions in which , one has to complete within an 50 minutes
I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.
Numerical ability and logical reasoning followed by some coding mcqs
Printing 1 to 100 without for loop
Use recursion to print numbers from 1 to 99
Print 100 outside the recursion
Use a base case to stop recursion at 100
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
Simple aptitude test
I applied via Company Website and was interviewed before Jul 2021. There were 2 interview rounds.
Attended the codevita competition in final year of college.
I applied via Naukri.com and was interviewed before Nov 2020. There were 5 interview rounds.
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