29 What built in class is used to mange sequences of charact

29.    What built in class is used to mange sequences of characters?

A )string B) Character C) String D ) Buffer

30.    What built in class is used to manipulate and change sequences of characters?

A) String B) Character C ) StringBuilder D )string

31.    When the address of an object is not stored in any reference variable, that object is known as a(n)

A) Empty object B) orphan C) Null object D) Extra object

Solution

29.    What built in class is used to mange sequences of characters?

Answer: A )string

30.    What built in class is used to manipulate and change sequences of characters?

Answer:C ) StringBuilder

31.    When the address of an object is not stored in any reference variable, that object is known as a(n)

Answer: C) Null object