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I appeared for an interview before Mar 2023.
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For loop is used for iterating over a range of values while for each loop is used for iterating over elements of an array.
For loop is used when the number of iterations is known beforehand.
For each loop is used when the number of iterations is not known beforehand.
For loop can be used with any iterable object.
For each loop can only be used with arrays and other iterable objects.
For loop uses an index variable to access...
I appeared for an interview before Aug 2016.
posted on 9 May 2017
I appeared for an interview before May 2016.
posted on 18 May 2021
I applied via Walk-in and was interviewed before May 2020. There were 4 interview rounds.
I applied via LinkedIn and was interviewed before Dec 2023. There were 2 interview rounds.
They just gave me an assessment with a few questions to test my subject knowledge
I appeared for an interview in Nov 2024.
The aptitude test evaluates problem-solving, coding skills, and logical reasoning, offering a fair challenge to showcase technical expertise.
I address conflicts in team projects by promoting open communication, active listening, and seeking compromise.
Encourage open communication among team members to address conflicts early on
Practice active listening to understand all perspectives and concerns
Seek compromise and find common ground to resolve conflicts effectively
Interface is a contract that defines the methods a class must implement, while an abstract class can have both implemented and abstract methods.
Interface can only have abstract methods and cannot have any implementation, while abstract class can have both abstract and implemented methods.
A class can implement multiple interfaces but can only inherit from one abstract class.
Interfaces are used to achieve multiple inheri...
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...
posted on 17 Oct 2024
I applied via Campus Placement and was interviewed in Sep 2024. There were 3 interview rounds.
Logical thinking and quantitative
One Java and one SQL and one js question
Collections are data structures that store and organize multiple elements in a single unit.
Collections provide methods to add, remove, and manipulate elements.
Examples of collections include arrays, lists, sets, and maps.
Collections can be used to efficiently manage and access large amounts of data.
A constructor is a special method in a class that is automatically called when an object of that class is created.
Constructors have the same name as the class they belong to
They are used to initialize the object's state
Constructors can have parameters to customize the initialization process
Data science is a field that uses scientific methods, algorithms, and systems to extract knowledge and insights from structured and unstructured data.
Data science involves collecting, analyzing, and interpreting large amounts of data to make informed decisions.
It combines statistics, machine learning, and domain knowledge to uncover patterns and trends in data.
Data scientists use programming languages like Python and R...
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