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The task is to count the occurrences of each character in a given string.
Iterate through the string and use a HashMap to store the count of each character.
Convert the string to char array for easier manipulation.
Handle both uppercase and lowercase characters separately if needed.
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I applied via Campus Placement and was interviewed before Sep 2023. There was 1 interview round.
Random forest is an ensemble learning method that builds multiple decision trees and merges them to improve accuracy and prevent overfitting.
Random forest is a type of ensemble learning method.
It builds multiple decision trees during training.
Each tree is built using a subset of the training data and a random subset of features.
The final prediction is made by averaging the predictions of all the individual trees.
Random...
Boosting is a machine learning ensemble technique where multiple weak learners are combined to create a strong learner.
Boosting is an iterative process where each weak learner is trained based on the errors of the previous learners.
Examples of boosting algorithms include AdaBoost, Gradient Boosting, and XGBoost.
Boosting is used to improve the accuracy of models and reduce bias and variance.
Some mcq questions and coding question. Both where easy to medium level. Prepare combination/permutation/Time complexity etc
A question related to Binary search and some other follow ups.
I applied via Recruitment Consultant and was interviewed in Oct 2021. There was 1 interview round.
I applied via Company Website and was interviewed in Apr 2020. There were 4 interview rounds.
I applied via Naukri.com and was interviewed before Sep 2021. There were 3 interview rounds.
Yes, I have knowledge of Hadoop data warehouse.
I have experience in designing and implementing Hadoop-based data warehouses.
I am proficient in Hadoop ecosystem technologies such as HDFS, MapReduce, Hive, and Pig.
I have worked with large-scale data processing and storage using Hadoop.
I am familiar with data warehousing concepts such as ETL, data modeling, and data integration.
I have used Hadoop to build data warehouses
Yes, I have used Python scripts extensively in my testing.
I have used Python scripts for automated testing of web applications.
I have also used Python scripts for unit testing of backend code.
Python's unittest module is particularly useful for this purpose.
I have also used Python scripts for load testing and performance testing.
Python's requests library is very helpful for testing APIs.
I have also used Python scripts f
I applied via Recruitment Consultant and was interviewed in May 2021. There was 1 interview round.
I applied via Campus Placement and was interviewed in Jul 2020. There were 4 interview rounds.
I will assess the client's current infrastructure, identify areas of improvement, and propose a customized upgrade plan.
Conduct a thorough assessment of the client's current infrastructure
Identify areas of improvement and prioritize them based on their impact on the client's business
Propose a customized upgrade plan that addresses the client's specific needs and budget
Ensure minimal disruption to the client's operation...
I appeared for an interview before Dec 2020.
based on 2 interviews
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