public static void main ( String args [ ] ) {
  nthprimedigitsnumber ( 10 ) ;
  nthprimedigitsnumber ( 21 ) ;
}

public static void main ( String args [ ] ) { nthprimedigitsnumber ( 10 ) ; nthprimedigitsnumber ( 21 ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier) dimensions: (dimensions))) body: (block (expression_statement (method_invocation name: (identifier) arguments: (argument_list (decimal_integer_literal)))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (decimal_integer_literal))))))