Question

plz answer the following :
1.write a statement to raise an ioexception in java.

2. differentiate between string and string buffer.

3. which class is known as 'user defined data type 'and which class is known as 'application '

plz give genuine ans and plz don't give google ans and spams ...

Answer 1

1 answer is java.io
2 answer is
diff b/w string and string buffer is that string buffer is mutable means length and other thing were changed nd string is immutable

Answer 2

import java.io*
statement to raise an in exception in java