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Hewlett Packard Enterprise
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I applied via Naukri.com and was interviewed in Aug 2023. There were 3 interview rounds.
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Reverse a given string by iterating through it backwards and appending each character to a new string.
Create a new empty string to store the reversed string
Iterate through the original string from the last character to the first character
Append each character to the new string
Return the new string as the reversed string
Azure Databricks is a unified analytics platform that combines big data processing and machine learning.
Collaborative environment for data scientists, data engineers, and business analysts
Integrated with Azure services for data storage, processing, and analytics
Supports popular programming languages like Python, Scala, and SQL
Provides tools for data visualization and machine learning model development
Cache in Databricks is a mechanism to store intermediate results of computations for faster access.
Cache in Databricks is used to store intermediate results of computations in memory for faster access.
It helps in reducing the time taken to recompute the same data by storing it in memory.
Data can be cached at different levels such as DataFrame, RDD, or table.
Example: df.cache() will cache the DataFrame 'df' in memory fo
ABAP Dictionary is a central repository for data definitions used in SAP applications. ALV report events are user actions in ALV grid. OOPs ABAP is object-oriented programming in ABAP.
ABAP Dictionary is used to define and manage data definitions in SAP applications
ALV report events include user actions like clicking on a row or column header
OOPs ABAP allows for object-oriented programming concepts like classes and inhe
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Future methods are asynchronous and execute in a separate thread, while Queueable allows chaining of jobs and can handle larger data volumes.
Future methods are limited to 50 per transaction and cannot be chained
Queueable can be chained and can handle up to 50 jobs in a single transaction
Future methods are executed in a separate thread and are useful for long-running operations
Queueable jobs can be scheduled to run at a...
Yes, we can call a future method from another future method.
A future method can call another future method using the @future annotation.
The second future method will be queued and executed after the first future method completes.
It is important to note that there is a limit of 50 future method calls per Apex invocation.
Yes
A future method can be called from a batch class
Future methods are used to perform long-running operations asynchronously
Batch classes are used to process large data sets in smaller chunks
Calling a future method from a batch class allows for parallel processing
I applied via Naukri.com and was interviewed in Sep 2020. There were 5 interview rounds.
What is sum of array.
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