DataStorm Quiz

Which of the following is used to define a block of code in Python?

• Brackets

• Indentation

• Key

• None of the above

What is the output of: 3 * '7'?

• 21

• '21'

• 777

• Error

What will be the output of: print({1, 2, 3} & {2, 3, 4})?

• {2, 3}

• {1, 2, 3, 4}

• {1, 4}

• Error

How are Python dictionaries defined?

• {}

• []

• ()

• <>

university = "Malla Reddy" department = "Data Science" print(university + " " + department) What will be the output of the above program?

• MallaReddy Data Science

• Malla Reddy DataScience

• Malla Reddy Data Science

• Malla Reddy Department of Data Science

What is the size of an int variable in Java?

• 8 bits

• 16 bits

• 32 bits

• 64 bits

Which loop is guaranteed to execute at least once?

• for

• while

• do-while

• foreach

What is the default value of a boolean variable in Java?

• true

• false

• 0

• null

What is the output of: System.out.println(10 + 20 + "30")?

• 102030

• 3030

• 1230

• 3030.0

Which package contains the Random class in Java?

• java.util

• java.io

• java.lang

• java.random