Recursive String Method Output

Question

Consider the following recursive method. What is printed as a result of the call `processString(input)`?
```
public void processString(String input) 
{
 if (input.length() > 0)
 {
 System.out.print(input.substring(0, 1) + input.substring(0, 1));
 processString(input.substring(1));
 }
}
```

Accepted Answer

It duplicates each character in `input`.

Answer

It prints `input` in reverse order, duplicating each character.

Answer

It removes every second character in `input`.

Answer

It prints the first character of `input` twice.

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