static String replaceSpace ( String str ) {
  String s = "" ;
  for ( int i = 0 ;
  i < str . length ( ) ;
  ++ i ) {
    if ( str . charAt ( i ) == ' ' ) s += '-' ;
    else s += str . charAt ( i ) ;
  }
  return s ;
}

static String replaceSpace ( String str ) { String s = " " ; for ( int i = 0 ; i < str . length ( ) ; ++ i ) { if ( str . charAt ( i ) == ' ▁ ' ) s += ' - ' ; else s += str . charAt ( i ) ; } return s ; }
(method_declaration (modifiers) type: (type_identifier) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (string_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (character_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (character_literal))) alternative: (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))))) (return_statement (identifier))))