TestSample

TestSample

University - Professional Development

3 Qs

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TestSample

TestSample

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University - Professional Development

Hard

Created by

Wasim Ahmed

Used 2+ times

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3 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the output of below code?


int x = 5;

System.out.println(x++);

System.out.println(x);

5

5

6

6

5

6

6

5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

-Contains no duplicate elements.

-Can contain at most one Null value.

-Elements are not key-value pairs.

-Accessing an element can be almost as fast as performing a similar operation on an array.


Which of these classes provides the specified features?

LinkedList

TreeMap

HashSet

LinkedHashMap

HashMap

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statement about Set is true?

A HashSet cannot have a null value.

Set allows duplicate values.

Set allows null values but only single occurrence.

Set extends the Java.util.collection interface.

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