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Six Sigma Soft Solutions
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I applied via Approached by Company and was interviewed before Aug 2022. There were 2 interview rounds.
Java OOPS concepts are the foundation of Java programming, focusing on objects, classes, inheritance, polymorphism, encapsulation, and abstraction.
Objects: Instances of classes that encapsulate data and behavior
Classes: Blueprint for creating objects, defining attributes and methods
Inheritance: Allows a class to inherit attributes and methods from another class
Polymorphism: Ability to present the same interface for dif...
Static variables are shared among all instances of a class, while non-static variables are unique to each instance.
Static variables are declared using the 'static' keyword, while non-static variables are not.
Static variables are initialized only once, at the start of the program, while non-static variables are initialized each time an instance is created.
Static variables can be accessed using the class name, while non-...
SQL join types are used to combine rows from two or more tables based on a related column between them.
Inner Join: Returns rows when there is at least one match in both tables.
Left Join (or Left Outer Join): Returns all rows from the left table and the matched rows from the right table.
Right Join (or Right Outer Join): Returns all rows from the right table and the matched rows from the left table.
Full Join (or Full Out...
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I applied via Naukri.com and was interviewed before Mar 2020. There were 4 interview rounds.
Hashtable is synchronized while hashmap is not.
Hashtable is thread-safe while hashmap is not.
Hashtable does not allow null keys or values while hashmap allows one null key and multiple null values.
Hashtable is slower than hashmap due to synchronization.
Hashtable is a legacy class while hashmap is a newer implementation.
Hashmap is not thread-safe while Concurrent Hashmap is thread-safe.
Hashmap is not suitable for multi-threaded environments as it can lead to race conditions and data inconsistencies.
Concurrent Hashmap allows multiple threads to access and modify the map concurrently without any data inconsistencies.
Concurrent Hashmap uses a technique called lock striping to achieve thread-safety.
Concurrent Hashmap is slower than Hashma...
I applied via Campus Placement and was interviewed in May 2021. There was 1 interview round.
I applied via Naukri.com and was interviewed before Apr 2021. There was 1 interview round.
I applied via Naukri.com and was interviewed in Dec 2020. There were 3 interview rounds.
posted on 20 Jun 2021
I applied via Campus Placement and was interviewed in May 2021. There was 1 interview round.
I applied via Naukri.com and was interviewed in Jan 2021. There were 3 interview rounds.
I applied via Recruitment Consultant and was interviewed in Oct 2020. There were 6 interview rounds.
I applied via Naukri.com and was interviewed before May 2018. There were 5 interview rounds.
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