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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...
Agile methodologies in B2B projects involve frequent communication, adaptability, and collaboration with stakeholders.
Agile methodologies in B2B projects prioritize customer collaboration and responding to change over following a strict plan.
Regular feedback from stakeholders helps in adjusting project scope and priorities in real-time.
Cross-functional teams work together closely to deliver incremental value to the B2B...
I have extensive experience working with barcode scanners in various automation projects.
Implemented barcode scanning functionality in warehouse management system to track inventory
Integrated barcode scanners with automated testing tools for regression testing
Utilized barcode scanners in manufacturing processes to improve efficiency and accuracy
I applied via Naukri.com and was interviewed in Oct 2024. There were 2 interview rounds.
Quantitative aptitude, logical apptiude,
Zebra Technologies interview questions for popular designations
Forecasting problem - Predict daily sku level sales
Bias is error due to overly simplistic assumptions, variance is error due to overly complex models.
Bias is the error introduced by approximating a real-world problem, leading to underfitting.
Variance is the error introduced by modeling the noise in the training data, leading to overfitting.
High bias can cause a model to miss relevant relationships between features and target variable.
High variance can cause a model to ...
Parametric models make strong assumptions about the form of the underlying data distribution, while non-parametric models do not.
Parametric models have a fixed number of parameters, while non-parametric models have a flexible number of parameters.
Parametric models are simpler and easier to interpret, while non-parametric models are more flexible and can capture complex patterns in data.
Examples of parametric models inc...
Get interview-ready with Top Zebra Technologies Interview Questions
Main principles of Java include object-oriented programming, platform independence, and automatic memory management.
Object-oriented programming: Java is based on classes and objects, allowing for encapsulation, inheritance, and polymorphism.
Platform independence: Java code can run on any platform that has a Java Virtual Machine (JVM) installed.
Automatic memory management: Java uses garbage collection to automatically m
The == operator compares the memory addresses of two objects, while the equals method compares the content of two objects.
The == operator is used to compare the memory addresses of two objects in Java.
The equals method is used to compare the content of two objects in Java.
Example: String str1 = new String("hello"); String str2 = new String("hello"); str1 == str2 will return false, but str1.equals(str2) will return true
SQL test on Select query, insert, create
Os, cloud computing, DBMS, networks, ai and ml mcq questions were asked
Case study - prize optimization problem
Structured data is organized and easily searchable, while unstructured data lacks a predefined format.
Structured data is organized into rows and columns, like a database.
Unstructured data includes text documents, images, videos, and social media posts.
Structured data is easier to analyze and query, while unstructured data requires more advanced techniques like natural language processing.
Examples of structured data inc...
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The duration of Zebra Technologies interview process can vary, but typically it takes about less than 2 weeks to complete.
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