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I applied via Approached by Company and was interviewed in Mar 2024. There was 1 interview round.
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...
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...
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.
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...
I applied via LinkedIn and was interviewed in Feb 2024. There was 1 interview round.
Time and work, statistics
Polymorphism is the ability of a single function or method to operate on different types of data.
Polymorphism allows objects of different classes to be treated as objects of a common superclass.
It enables a single interface to represent multiple underlying forms.
Examples include method overloading and method overriding in object-oriented programming.
Salesforce interview questions for designations
I applied via Company Website and was interviewed before Aug 2022. There were 5 interview rounds.
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I applied via Company Website and was interviewed in Dec 2020. There was 1 interview round.
Interview questions for Software Developer related to Spring, Collections, Serialization, Exceptions, Unix, Annotations, Json, Build tools, Restful services, and more.
List and Set are both collection interfaces in Java. List allows duplicates and maintains insertion order while Set doesn't allow duplicates and doesn't maintain any order.
Sorted in Hashed Set means that the elements are stored in a sorted order based on ...
I applied via Naukri.com and was interviewed in Jan 2021. There were 3 interview rounds.
A generic swap function swaps two values of any data type.
The function should take two parameters of any data type.
Use a temporary variable to store the value of one parameter.
Assign the value of the second parameter to the first parameter.
Assign the value of the temporary variable to the second parameter.
Search for an element in a rotated sorted linked list.
Find the pivot point where the list is rotated.
Divide the list into two sublists based on the pivot point.
Perform binary search on the appropriate sublist.
Handle edge cases such as empty list and list with only one element.
Search an element in a rotated sorted array
Find the pivot point where the array is rotated
Divide the array into two sub-arrays based on pivot point
Perform binary search on the appropriate sub-array
Repeat until element is found or sub-array size is 1
Find 5 missing numbers in an array of size 95 containing numbers in range 1 to 100.
Create a boolean array of size 100 and mark the present numbers
Iterate through the boolean array and find the missing numbers
Alternatively, use a HashSet to store the present numbers and find the missing ones
Given a Sudoku board, find possible numbers for an empty cell.
Iterate through empty cells and check possible numbers using row, column, and box constraints.
Use a set to keep track of possible numbers for each empty cell.
Return the set of possible numbers for the given empty cell.
Find integer average of 4 unsigned integers without typecasting
Add all the integers and divide by 4
Use bit shifting to divide by 4
Handle overflow by using long long data type
Use unsigned int data type for input
Code to identify 32 bit or 64 bit architecture of a processor
Check if the operating system is 32 bit or 64 bit
If OS is 32 bit, processor is 32 bit
If OS is 64 bit, check if processor supports 64 bit architecture
Use CPUID instruction to check if processor supports 64 bit architecture
Convert binary number to base 64 integer
Divide the binary number into groups of 6 bits
Convert each group of 6 bits to decimal
Map the decimal value to the corresponding base 64 character
Concatenate the base 64 characters to form the final integer
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