question: returns the value of the specified part . concode_field_sep int length concode_elem_sep int[] parts concode_field_sep void parseCode concode_elem_sep boolean equals concode_elem_sep int getLength concode_elem_sep void increment concode_elem_sep String toString
target: int function ( int arg0 ) { if ( arg0 < 0 || arg0 > 2 ) { throw new IllegalArgumentException ( "srini_string" ) ; } return this . parts [ arg0 ] ; }