Quiz

Java Intermediate

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Quiz

Question 1

Which package contains many of Java’s core classes, such as String, System, and Math?

A

java.util

B

java.lang

C

java.io

D

java.time

Question 2

What is the purpose of wrapper classes in Java?

A

To allow primitive types to be used as objects and provide utility methods.

B

To improve the speed of arithmetic operations.

C

To enable multiple inheritance.

D

To replace all primitive types with objects by default.

Question 3

What does the LocalDate class in the java.time package represent?

A

A specific moment on the timeline in UTC.

B

A date (year, month, day) without time information.

C

A time of day without a date.

D

A date with timezone information.

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