static void display ( int n ) {
  breakLine ( ) ;
  System . out . print ( "Arrangement No. " + ++ no ) ;
  breakLine ( ) ;
  for ( int i = 1 ;
  i <= n ;
  i ++ ) {
    for ( int j = 1 ;
    j <= n ;
    j ++ ) {
      if ( arr [ i ] != j ) {
        System . out . print ( "\t_" ) ;
      }
      else {
        System . out . print ( "\tQ" ) ;
      }
    }
    System . out . println ( "" ) ;
  }
  breakLine ( ) ;
}

static void display ( int n ) { breakLine ( ) ; System . out . print ( " Arrangement ▁ No . ▁ " + ++ no ) ; breakLine ( ) ; for ( int i = 1 ; i <= n ; i ++ ) { for ( int j = 1 ; j <= n ; j ++ ) { if ( arr [ i ] != j ) { System . out . print ( " \t _ " ) ; } else { System . out . print ( " \tQ " ) ; } } System . out . println ( " " ) ; } breakLine ( ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (expression_statement (method_invocation name: (identifier) arguments: (argument_list))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (string_literal) right: (update_expression (identifier)))))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))) alternative: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list)))))