The ____ method returns the length of a String.

An expression tested by an if statement must evaluate to

a. 0 or 1 b. +1 or -1 c. true or false d. t or f

In the following statement, what data type must recField be?

``` str.getChars(5, 10, recField, 0); ``` a. int b. char[] c. char d .String