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Jumbotail Technologies Interview Questions and Answers
Given two strings, 'S' and 'T' with lengths 'M' and 'N', find the length of the 'Longest Common Subsequence'.
For a string 'str'(per se) of length K, the subsequences are the strings c...read more
You are working as a cab driver. Your car moves in a straight line and moves toward the forward direction only. Initially, you have ‘C’ empty seats for the passengers.
Now, you are given ‘N’ number o...read more
Nth term of Fibonacci series F(n), where F(n) is a function, is calculated using the following formula -
F(n) = F(n-1) + F(n-2), Where, F(1) = F(2) = 1 Provided N you have to find out the ...read more
Q4. What is Spark context
Spark context is the main entry point for Spark functionality and represents the connection to a Spark cluster.
Main entry point for Spark functionality
Represents connection to a Spark cluster
Used to create RDDs, broadcast variables, and accumulators
Q5. What is inheritance
Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
Allows for code reusability by creating a new class based on an existing class
Derived class inherits properties and behaviors of the base class
Supports the concept of polymorphism and encapsulation
Example: Class 'Car' can inherit from class 'Vehicle' and inherit its attributes like 'color' and methods like 'drive()'
Q6. What is sparkconfig
SparkConfig is a configuration object used in Apache Spark to set various parameters for Spark applications.
SparkConfig is used to set properties like application name, master URL, and other Spark settings.
It is typically created using SparkConf class in Spark applications.
Example: val sparkConf = new SparkConf().setAppName("MyApp").setMaster("local")
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