Workday AEM Developer Interview Questions and Answers

Q1. Basics of oops, .net framework and .net core
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Q2. Sql query for student department id
Ans. 
SQL query to retrieve student department id.
• Use SELECT statement to retrieve data

• Specify the columns to be selected, including the department id column

• Specify the table where the student data is stored

• Use WHERE clause to filter the results based on student information
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Q3. Solid principles and design patterns
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Q1. Asked to code palindrome
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Q2. Code duplicate string from main string and get index of sub string
Ans. 
Code to find index of sub string in main string and duplicate the sub string
• Use a loop to iterate through the main string and check for the sub string

• If sub string is found, duplicate it and store the index

• Return the index of the duplicated sub string
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Q1. Manager asked me to code the count index of substring and sum of substring
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Q2. Questions as HR informed, it was worst and all interviews were scheduled at night time.he was more technical than the second round team lead instead of asking manager round
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In first round 4 coding question like 1 dsa 2 database and one is api and question is very simple . coding round was conducted in hackerrank

Q1. DSA QUESTION LIKE TREE AND GRAPH
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Q2. DP AND SORTING APPROACH
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Again same but dsa question and oops concept in deep level

Q1. How can a Spring Boot project be created to develop an API that returns specified data?
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Q2. What is the code to print a right-angled triangle of numbers based on a given input number?
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Q1. Can you explain about Platform Events?
Ans. 
Platform Events are a feature in Salesforce that allow developers to deliver secure, scalable, and customizable event notifications.
• Platform Events are based on the publish-subscribe model, where publishers send events and subscribers receive them.

• They are used to communicate changes in Salesforce data or custom events within an organization.

• Developers can define custom event objects and trigger events using Apex or de...read more
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Q2. Tell me about Asynchronous Apex? Difference between Batch Apex and Queueable Apex
Ans. 
Asynchronous Apex allows you to run processes in the background, without user interaction. Batch Apex and Queueable Apex are two types of Asynchronous Apex.
• Asynchronous Apex allows you to process large amounts of data asynchronously, without impacting the user interface.

• Batch Apex is used to process large data sets that can be divided into smaller batches for processing.

• Queueable Apex allows you to submit jobs for asyn...read more
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Q3. Explain Future method? and why we need (Callout= true) along with that annotation?
Ans. 
Future method is used to run code asynchronously. Callout=true is needed to make HTTP callouts from future methods.
• Future methods are used to run code asynchronously in Salesforce.

• They are annotated with @future annotation.

• Callout=true is needed to make HTTP callouts from future methods.

• Without Callout=true, making HTTP callouts from future methods is not allowed.
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Q4. Data Security in Salesforce and types in it.
Ans. 
Data security in Salesforce involves various types of security measures to protect sensitive information.
• Salesforce provides various security features such as user authentication, data encryption, and access controls.

• Types of data security in Salesforce include object-level security, field-level security, and record-level security.

• Salesforce also offers tools like Salesforce Shield for enhanced data security and compli...read more
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It went well. Easy questions were asked

We have to first explain how we are planning to solve the problem and can start coding

Q1. Multi threading
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Q2. Algorithms in data structures
Ans. 
Algorithms in data structures are essential for efficient data manipulation and retrieval.
• Algorithms in data structures help in organizing and managing data effectively.

• Examples include sorting algorithms like quicksort and searching algorithms like binary search.

• Understanding algorithms in data structures is crucial for optimizing performance in software development.
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A paper based test and it was technical

Q1. About the projects
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Q2. Some sql questions
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Karet Interview :
5 back to back System design question, we don't need to explain each component but more like list as many as points. Need to finish all the question in 15min

1-2 problem solving question : It's not fency algorithm round with tough question. But true problem solving round using basic knowledge such as hashmap, heap

Q1. Design File System : You have given file size and collection in input 1 : get total size 2 : find top k collections in size
Ans. 
Design a file system to calculate total size and find top k collections in size.
• Create a file system class with methods to add files and calculate total size.

• Maintain a data structure to store the collections and their sizes.

• Implement a method to find the top k collections based on size.

• Consider using a priority queue or sorting the collections based on size.

• Handle edge cases like empty collections or invalid input siz
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Q2. Find total size
Ans. 
Calculate the total size of an array of strings.
• Iterate through the array and sum the length of each string.

• Use the `length` property of each string to get its size.

• Handle edge cases such as empty strings or null values.
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Q3. Find Top k collections
Ans. 
The question is asking to find the top k collections.
• Use a sorting algorithm to sort the collections in descending order based on a specific criteria.

• Select the top k collections from the sorted list.

• Return the selected collections as an array of strings.
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Q1. Tell me about you?
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Q2. SQL Server And C#
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