static void subset ( int nthBit , int num , int numOfBits ) {
  if ( nthBit >= 0 ) {
    if ( ( num & ( 1 << nthBit ) ) != 0 ) {
      System . out . print ( numOfBits - nthBit + " " ) ;
    }
    subset ( nthBit - 1 , num , numOfBits ) ;
  }
  else return ;
}

static void subset ( int nthBit , int num , int numOfBits ) { if ( nthBit >= 0 ) { if ( ( num & ( 1 << nthBit ) ) != 0 ) { System . out . print ( numOfBits - nthBit + " ▁ " ) ; } subset ( nthBit - 1 , num , numOfBits ) ; } else return ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (if_statement condition: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (decimal_integer_literal) right: (identifier))))) right: (decimal_integer_literal))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (string_literal))))))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal)) (identifier) (identifier))))) alternative: (return_statement))))