static boolean isPowerOfTwo ( int n ) {
  return n != 0 && ( ( n & ( n - 1 ) ) == 0 ) ;
}

static boolean isPowerOfTwo ( int n ) { return n != 0 && ( ( n & ( n - 1 ) ) == 0 ) ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))))) right: (decimal_integer_literal)))))))