Free Printable TalentNext Test Day-13-Core Java Topics

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TalentNext Test Day-13-Core Java Topics

Total questions: 10

Worksheet time: 4mins

Name

Class

Date

Which of the following statements are correct about PreparedStatement? Select all that apply.

PreparedStatement can accept different parameters at runtime in java JDBC.

PreparedStatement is used for executing a precompiled SQL statement in java JDBC.

PreparedStatement is used for executing a static SQL statement in java JDBC.

All the above.

Which one of the following classes is used to represent both date and time?

java.sql.Date

java.util.Date

java.io.*

java.lang.*

Predict the output :

Red

Invalid color

Compilation fails due to syntax errors

Red

Which one of the following methods can be used to create a Connection instance?

getConnection(String url)

getConnection(String url, String user, String password)

getConnection(String url, Properties prop)

All of the above

Which of the following statements are true about arrays in Java? Select all that apply.

Stores homogeneous data.

Size cannot be changed during runtime.

Can store only user defined objects.

Array index starts at 1.

Which of the following classes extends HashMap and maintains the insertion order of the elements?

TreeMap

LinkedHashMap

SortedMap

None of the above

Which one of the following interfaces implementation accepts only unique elements?

Set

Array

List

Map

Which one of the following classes implements Set interface and maintains the insertion order of elements?

HashSet

TreeSet

LinkedHashSet

None of the above

Predict the output :

ArrayIndexOutOfBoundsException

null

10.

Which one of the following access modifiers is used while creating Junit test methods?

private

protected

public

None

Reset

TalentNext Test Day-13-Core Java Topics

Total questions: 10

Worksheet time: 4mins

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