ASG Technologies Senior Software Engineer Interview Questions and Answers

Q1. Machine coding: Design in-memory document search
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Q1. HLD: Design a ad-click aggregation service
Ans. 
Design an ad-click aggregation service for tracking and analyzing ad clicks.
• Use a distributed system to handle high volume of ad click data

• Implement real-time processing for immediate insights on ad performance

• Utilize a database to store aggregated ad click data for reporting and analysis
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Two simple coding questions were asked.

One multithreading questions was asked and few theoretical questions.

Q1. Few code snippets were provided on OOPs and result was asked.
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Q2. Sql query was asked.
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Q3. Two more rounds are still left
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Q1. Basic Java and Android and kotline
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Q1. Related to Version control
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Q1. Basic policy and immediate joining related
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Trees, Arrays, DP, Graphs, Leetcode Questions

Q1. Personal Projects
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Q2. System design interview, HP Products
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Q1. Find the duplicates in an array.
Ans. 
Find duplicates in an array of strings.
• Iterate through the array and store each element in a hash set.

• If an element is already in the hash set, it is a duplicate.

• Return a list of all duplicates found.
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Q2. Delete a node from Linked
Ans. 
To delete a node from a Linked List, update the pointers of the previous node to skip the node to be deleted.
• Set the next pointer of the previous node to skip the node to be deleted

• Update the next pointer of the node before deletion to point to the node after deletion

• Free the memory of the node to be deleted
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Q1. Tell me about what is completable future
Ans. 
CompletableFuture is a class introduced in Java 8 to represent a future result of an asynchronous computation.
• CompletableFuture can be used to perform tasks asynchronously and then combine their results.

• It supports chaining of multiple asynchronous operations.

• It provides methods like thenApply, thenCompose, thenCombine, etc. for combining results.

• Example: CompletableFuture future = CompletableFuture.supplyAsync(() -> 1
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Q1. Oops concept, solid principles
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Q1. Angular. oops, c#
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Q1. Programs, oops, azure
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Q1. About company, Package negotiation, notice period
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Q1. Basic JavaScript-based questions which we can find by searching JavaScript interview questions on Google. A Quick QnA session via a call where I was not asked to ask any questions to the interviewer
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Q1. Normal discussion on JavaScript and ReactJs. One coding challenge where given an array ["abc", "Silent", "Code"]. Find the matching element when the user input is "bca". It should match "abc".
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Q2. Solved it by looping through each element first. Split the string into an array to get access to each character. Using the .every() method checks whether each character of the string is present inside the ...read more
Ans. 
The question asks about using .every() and .includes() methods to check if each character of a string is present in another string.
• Loop through each element of the string

• Split the string into an array to access each character

• Use .every() method to check if each character is present in the user string

• Use .includes() method to check if the character is present
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