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Datamatics Global Services
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I applied via LinkedIn and was interviewed in Mar 2024. There was 1 interview round.
Dsa, js, oops, java, python
I applied via Naukri.com and was interviewed before May 2023. There was 1 interview round.
Hashmap is a data structure that stores key-value pairs, while hashtable is a synchronized version of hashmap.
Hashmap allows null values and only one null key, while hashtable does not allow null keys or values.
Hashtable is synchronized, making it thread-safe, while hashmap is not synchronized.
Hashmap is faster than hashtable for non-thread-safe operations.
Example: HashMap
Functional interfaces are interfaces with a single abstract method, used in Java to enable lambda expressions.
Functional interfaces allow lambda expressions to be used as instances of the interface.
They provide a way to implement functional programming concepts in Java.
Examples include java.lang.Runnable, java.util.Comparator, and java.util.function.Predicate.
I applied via Naukri.com and was interviewed before Oct 2022. There were 2 interview rounds.
Datamatics Global Services interview questions for designations
I applied via LinkedIn and was interviewed before Nov 2021. There were 3 interview rounds.
Retesting is testing the same functionality again after fixing defects. Regression is testing the unchanged functionality after changes.
Retesting is done to ensure that the defects found in the previous test cycle have been fixed.
Regression is done to ensure that the changes made to the software have not affected the existing functionality.
Retesting is a subset of regression testing.
Retesting is done after the defects ...
High priority and low severity examples
High priority: Server down, critical bug, security breach
Low severity: Spelling mistake, UI color change, minor feature request
A test plan is a document that outlines the objectives, scope, approach, and focus of a software testing effort.
It defines the testing strategy and approach to be used for a particular project or product
It outlines the scope of testing, including what will be tested and what will not be tested
It identifies the testing environment and the resources required for testing
It includes the test cases, test scenarios, and test...
I applied via Recruitment Consultant and was interviewed in Dec 2020. There were 4 interview rounds.
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I applied via Walk-in and was interviewed before Dec 2020. There were 3 interview rounds.
I applied via Referral and was interviewed in Sep 2020. There were 3 interview rounds.
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