static int setBitNumber ( int n ) {
  if ( n == 0 ) return 0 ;
  int msb = 0 ;
  while ( n != 0 ) {
    n = n / 2 ;
    msb ++ ;
  }
  return ( 1 << msb ) ;
}

static int setBitNumber ( int n ) { if ( n == 0 ) return 0 ; int msb = 0 ; while ( n != 0 ) { n = n / 2 ; msb ++ ; } return ( 1 << msb ) ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (return_statement (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) body: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (expression_statement (update_expression (identifier))))) (return_statement (parenthesized_expression (binary_expression left: (decimal_integer_literal) right: (identifier))))))