AdPushup Javascript Developer Interview Questions and Answers

Q1. About the project that I have worked
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Q2. Technical Experience
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Q1. Databinding in android
Ans. 
Databinding in Android allows for easier connection between UI components and data sources.
• Databinding eliminates the need for findViewById() calls in your code.

• It allows for easier access to data in your layouts using data binding expressions.

• Databinding can improve code readability and reduce boilerplate code.

• Example:
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Q2. What is the packaging process in android
Ans. 
Packaging process in Android involves compiling the code, resources, and assets into an APK file for distribution.
• Compile the Java code into .class files

• Compile the resources (XML files, images, etc.) into a binary format

• Package all the compiled files into an APK file using the Android Asset Packaging Tool (AAPT)

• Sign the APK file with a private key for security

• Align the APK file for optimization
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Q3. What is an MVVM design pattern
Ans. 
MVVM is a design pattern that separates the user interface from the business logic and data model.
• MVVM stands for Model-View-ViewModel

• Model represents the data and business logic

• View represents the user interface

• ViewModel acts as an intermediary between the Model and View

• MVVM helps in achieving separation of concerns and easier unit testing
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Q1. Most of the question related to architecture and system design
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Q1. Face to face interview with director
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Questions related to relationships.

Data Structures and Algorithms (DSA) related to Java and Bootstrap.

Basic aptitude questions were asked of easy level.

Q1. Dbms , oops , C++ , sql , aws , powerpoint
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Q1. ATG Endeca Spring boot microservices
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Q1. Java Oracle Commerce ATG AWS Kafka kubernate
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Q2. Microservices Oracle Commerce AWS Mongo DB
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Aptitude questions were easy and basics

Q1. They asked about projects, SQL basics, oops concepts and about java concepts
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Q2. It was an easy and average interview
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Q1. Modify the triger
Ans. 
Modify the trigger in the software system.
• Identify the current trigger functionality and the desired modification.

• Update the trigger logic or conditions as needed.

• Test the modified trigger to ensure it functions correctly.
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Basic aptitude verbal, numerical and Analytical Questions

2 coding Question that you can solve easily

Q1. Question on java object oriented programming then one written code was asked to solve on paper and other Question about resume projects.
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Q1. Scenario based Questions and project based Question where asked
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Q1. Hands on coding experience is must.
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Q2. Interviewers are itself not worthy of interviewing, some scrum master with below par knowledge interviewed me.
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