static int toggle ( int n ) {
  int temp = 1 ;
  while ( temp <= n ) {
    n = n ^ temp ;
    temp = temp << 1 ;
  }
  return n ;
}

static int toggle ( int n ) { int temp = 1 ; while ( temp <= n ) { n = n ^ temp ; temp = temp << 1 ; } return n ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (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: (identifier))) body: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier)))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (return_statement (identifier))))