Question

Consider the following recursive method.

public static String doSomething(String str)
{
if (str.length() < 1)
{
return "";
}
else
{
return str.substring(0, 1) + doSomething(str.substring(1));
}
}
Which of the following best describes the result of the call doSomething(myString) ?

A
The method call returns a String containing the contents of myString unchanged.

B
The method call returns a String containing the contents of myString with the order of the characters reversed from their order in myString.

C
The method call returns a String containing all but the first character of myString.

D
The method call returns a String containing only the first and second characters of myString.

E
The method call returns a String containing only the first and last characters of myString.

Answer 1

A

The method call returns a String containing the contents of myString unchanged.

Step-by-step explanation: