HSPPL Odoo Developer Interview Questions and Answers

Q1. What is idocs and bapi
Ans. 
IDocs are data containers used for exchanging data between SAP systems, while BAPIs are standardized interfaces for accessing SAP functions.
• IDocs (Intermediate Documents) are used for exchanging data between SAP systems or between SAP and non-SAP systems.

• IDocs contain data in a structured format and are used for communication in a distributed environment.

• BAPIs (Business Application Programming Interfaces) are standardi...read more
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Q1. New ABAP Syntax to move records from one internal table to another internal table and delete the duplicate records in one shot
Ans. 
Use COLLECT statement with SORTED BY to move and delete duplicate records in one shot
• Use COLLECT statement with SORTED BY to move records from one internal table to another internal table and automatically delete duplicate records

• Example: COLLECT wa INTO itab2 SORTED BY field.

• Make sure to sort the internal table before using COLLECT statement to ensure duplicates are deleted
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Q2. Substring in Odata
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Substring function in OData allows for extracting a portion of a string value.
• Use the substringof() function in OData to extract a substring from a string value.

• Specify the starting position and length of the substring to be extracted.

• For example, substringof('Hello World', 6, 5) will return 'World'.
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Q3. How to retrieve a field in Odata which is not a key field
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To retrieve a non-key field in OData, use $select query option in the URL.
• Use $select query option in the URL to specify the fields you want to retrieve

• Example: /EntitySet?$select=FieldName1,FieldName2

• Make sure the field you want to retrieve is included in the $select query
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Q4. Difference between Search help entities in odata and CDS as search help
Ans. 
Search help entities in OData and CDS are used for providing search help functionality, but they differ in their implementation and usage.
• Search help entities in OData are defined in the metadata document of the OData service and are used to provide suggestions for input fields in the UI.

• CDS as search help allows defining search help entities directly in the Core Data Services (CDS) views, making it easier to reuse and...read more
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Q1. Basic data structure questions
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Q2. Explain binary search with example
Ans. 
Binary search is a search algorithm that finds the position of a target value within a sorted array.
• Divide the array into two halves and compare the target value with the middle element.

• If the target value is less than the middle element, search the left half. If greater, search the right half.

• Repeat the process until the target value is found or the subarray is empty.
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Q1. What is concurrency technique in android
Ans. 
Concurrency technique in Android allows multiple tasks to run simultaneously, improving performance and responsiveness.
• Concurrency in Android can be achieved using AsyncTask, Handlers, Executors, and RxJava.

• AsyncTask allows running background tasks on a separate thread and updating UI on the main thread.

• Handlers are used to post and process Runnable objects on a thread's message queue.

• Executors provide a high-level API...read more
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Q1. Explain about previous project and what was your role in that project
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Q1. Lifecycle of the Activity
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The lifecycle of an Activity in Android refers to the series of states an Activity goes through from creation to destruction.
• An Activity goes through states like onCreate, onStart, onResume, onPause, onStop, onDestroy, etc.

• Each state has specific methods that can be overridden to perform actions at that state.

• For example, onCreate is called when the Activity is first created, onResume is called when the Activity is bro
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Q2. Push notification
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Q3. About the project mentioned in the resume
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Q1. Difference between commit( ) and apply( ) in SharedPreferences?
Ans. 
commit() writes the changes synchronously, apply() writes the changes asynchronously.
• commit() returns a boolean value indicating success or failure, while apply() does not.

• commit() writes the changes immediately to the disk, while apply() writes the changes to the memory first and then to the disk asynchronously.

• apply() is faster than commit() as it writes the changes in the background thread.

• Use commit() when you need...read more
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Q2. Difference between Alpha and Beta testing?
Ans. 
Alpha testing is done by internal teams before release, while beta testing is done by external users after alpha testing.
• Alpha testing is done by internal teams to identify bugs and issues before releasing the software to the public.

• Beta testing is done by external users who are not part of the development team to gather feedback and identify any remaining issues.

• Alpha testing is usually done in a controlled environmen...read more
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Q3. What is Product Flavour?
Ans. 
Product Flavour is a feature in Android development that allows you to create different versions of your app with different configurations.
• Product Flavours are used to create different versions of an app for different purposes or target audiences.

• Each Product Flavour can have its own unique code, resources, and configurations.

• Product Flavours are defined in the build.gradle file of an Android project.

• Examples of Produc...read more
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Q4. Can we use Activity without XML?
Ans. 
Yes, we can use Activity without XML by programmatically creating the UI elements.
• Activities can be created and managed entirely in code without using XML layouts.

• UI elements can be added to the activity using Java code.

• This approach is useful for creating dynamic UIs or for cases where XML layouts are not suitable.
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Q5. Can we downgrade the app from PlayStore?
Ans. 
Yes, users can downgrade an app from PlayStore by uninstalling the current version and installing an older version manually.
• Users can uninstall the current version of the app from their device.

• They can then search for the older version of the app APK file online or use a backup they may have.

• After downloading the older version APK, they can manually install it on their device.
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Q1. Question is related to these topics. Clean Architecture, MVVM, Coroutine Live Data
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Q1. About myself and my experience
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Find second greatest number from an array of duplicate items.