Java Mock Test

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Java Mock Test

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* Indicates required question

What is you name?

2 points

Your answer

Contact number? *

2 points

Your answer

List is a Interface. *

2 points

True

False

List collection contain duplicate value. *

2 points

True

False

Stream api store value. *

2 points

True

False

boolean default value is true. *

2 points

True

False

String str="null"; *

2 points

True

False

Set<Integer set=new HashSet<>();

set.add(1);

set.add(1);

System.out.println(set.size());

*

2 points

1

2

3

4

int in=23.90f; *

2 points

error

no error

Java latest version? *

2 points

15

17

19

18

String is preemitive DataType. *

2 points

True

False

HashMap Contain duplicate key. *

2 points

True

False

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