Question

What are the wrapper classes ?

What is the difference between scanner class and wrapper class ?

100 points .​

Answer 1

wrapper class I guess wrapps a primitive data type and scanner class is meant for input from users

Answer 2

Wrapper Class

• A Wrapper class is a class whose object wraps or contains a primitive data types.

• When we create an object to a wrapper class, it contains a field and in this field, we can store a primitive data types.

• In other words, we can wrap a primitive value into a wrapper class object.

Scanner Class

• Scanner class is a simple text scanner which can parse primitive types and strings using regular expressions.

•Following are the important points about Scanner :−

A Scanner breaks its input into tokens using a delimiter pattern, which by default matches whitespace.