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I applied via Naukri.com and was interviewed before Apr 2023. There were 5 interview rounds.
Aptitude test is basically logical reasoning and simple math
I applied via LinkedIn and was interviewed before Nov 2022. There were 3 interview rounds.
I appeared for an interview before Jan 2016.
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posted on 9 May 2017
I appeared for an interview before May 2016.
I applied via Campus Placement and was interviewed in Jan 2021. There were 6 interview rounds.
OOPS is a programming paradigm based on objects that have properties and methods.
Encapsulation: bundling of data and methods that operate on that data within a single unit
Inheritance: ability of a class to inherit properties and methods from a parent class
Polymorphism: ability of objects to take on many forms or have multiple behaviors
Abstraction: hiding of complex implementation details and showing only the necessary ...
Explanation of Super, Throw, Final and Finally
Super: used to call a method from a parent class
Throw: used to throw an exception
Final: used to declare a constant or to prevent method overriding
Finally: used to execute code after try-catch block, regardless of exception
I applied via Recruitment Consulltant and was interviewed in May 2024. There were 3 interview rounds.
It is easy to solve the Aptitude question and some identifying outputs of program.
A class is a blueprint for creating objects in object-oriented programming.
A class defines the properties and behaviors of objects.
An object is an instance of a class.
Example: Class 'Car' can have properties like 'color' and 'model', and behaviors like 'drive' and 'stop'.
Swap two numbers without using temp variable and reverse a string without using built-in functions.
To swap two numbers without using temp variable, use bitwise XOR operation.
To reverse a string without using built-in functions, use two pointers approach.
Example for swapping numbers: a = a ^ b; b = a ^ b; a = a ^ b;
Example for reversing a string: use two pointers to swap characters from start and end of the string.
Now, I am preparing for the third round.
So, I don't know the Coding Question.
I applied via Referral and was interviewed in Nov 2022. There were 4 interview rounds.
It was online 1hr test. Overall it was an easy test. If you code on hackerrank, hackerearth or leetcode then you can easily clear the test.
I applied via LinkedIn and was interviewed before Jan 2023. There was 1 interview round.
I applied via Naukri.com and was interviewed in Mar 2023. There were 2 interview rounds.
OOPs concepts in Java include inheritance, polymorphism, encapsulation, and abstraction.
Inheritance allows a subclass to inherit properties and methods from a superclass.
Polymorphism allows objects to take on multiple forms and behave differently based on their context.
Encapsulation hides the implementation details of an object and only exposes necessary information.
Abstraction allows for the creation of abstract class...
Interfaces define contracts for behavior, while inheritance allows for code reuse and polymorphism.
Interfaces allow for loose coupling and abstraction, enabling multiple implementations of the same behavior.
Inheritance allows for code reuse and extension of existing classes, reducing code duplication.
Polymorphism allows objects of different classes to be treated as if they were of the same class, simplifying code and i
SQL query for joining tables
Use JOIN keyword to combine two or more tables based on a related column
Specify the columns to be selected using SELECT keyword
Use ON keyword to specify the condition for joining the tables
Different types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN
Used Java concepts such as inheritance, polymorphism, and exception handling in my project.
Implemented inheritance to create a base class and derived classes with specific functionalities.
Utilized polymorphism to allow objects of different classes to be treated as if they were of the same class.
Implemented exception handling to handle errors and prevent program crashes.
Used interfaces to define a set of methods that a ...
Overloading is having multiple methods with the same name but different parameters. Overriding is having a method in a subclass with the same name and parameters as a method in the superclass.
Overloading is used to provide different ways to call a method with different parameters
Overriding is used to provide a specific implementation of a method in a subclass
Overloading is resolved at compile-time while overriding is r...
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