Scala & Spark-Master Big Data with Scala and Spark - Take Data from ListBuffer
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Information Technology (IT), Architecture
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University
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Hard
Wayground Content
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of the 'take' method in a list buffer?
To remove elements from the end of the list buffer
To extract a specified number of elements from the start of the list buffer
To add elements to the list buffer
To sort the elements in the list buffer
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the practical demonstration, what is the initial content of the list buffer?
X, Y, Z
A, B, C, D, E, F
10, 20, 30, 40, 50, 60
1, 2, 3, 4, 5, 6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the output when the 'take' method is used to extract the first four elements from the list buffer?
A, B, C, D
10, 20, 30, 40
5, 6, 7, 8
1, 2, 3, 4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you store the elements taken from a list buffer into a new variable?
By using the 'add' method
By directly assigning the result of 'take' to a new variable
By using the 'remove' method
By copying the list buffer
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the benefit of using a new variable to store the result of the 'take' method?
It helps in reusing the extracted elements without altering the original list buffer
It increases the size of the list buffer
It automatically sorts the elements
It allows for modifying the original list buffer
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