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Set - 2

Authored by Vedadri Harith Nadupalle

Computers

University

Set - 2
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which Java collection class provides an ordered, index-based structure, but allows duplicate elements?

Vector

LinkedList

ArrayList

HashSet

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the 'transient' keyword in Java?

It indicates that a variable cannot be changed

It specifies that a variable is not part of the object's persistent state

It is used to declare an immutable class

It is used to define a variable that cannot be serialized

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will be the output of the following code?

int x = 5;

System.out.println(x > 2 ? x < 4 ? 10 : 8 : 7);

7

It will not compile

8

10

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If PENCIL is coded as 742956, how is PAPER coded?

81594

87514

81754

85714

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A clock shows 3:45. What is the angle between the hour and minute hands?

120 degrees

112.5 degrees

150 degrees

135 degrees

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a correct way to declare a constant in Java?

static final int VALUE = 10;

constant int VALUE = 10;

final int VALUE = 10;

const int VALUE = 10;

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will be the output of the following code snippet?

numbers = (4, 7, 19, 2, 89, 45, 72, 22)

sorted_numbers = sorted(numbers)

even = lambda a: a % 2 == 0

even_numbers = filter(even, sorted_numbers)

print(type(even_numbers))

list

tuple

int

filter

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