Android How to Program, 3/e

... hyphen argument Employee constructor. Line 17. Blank. Line 18, indented once. forward slash forward slash set first name. Line 19, indented once. public void set First Name left parenthesis String first right parenthesis. Line 20, indented once. left brace. Line 21, indented twice. first Name equals first semicolon forward slash forward slash should validate. Line 22, indented once. right brace forward slash forward slash end method set First Name. Line 23. Blank. Line 24, indented once. forward slash forward slash return first name. Line 25, indented once. public String get First Name left parenthesis right parenthesis. Line 26, indented once. left brace. Line 27, indented twice. return first Name semicolon. Line 28, indented once. right bra