static int XorAscii ( String str , int len ) {
  int ans = ( str . charAt ( 0 ) ) ;
  for ( int i = 1 ;
  i < len ;
  i ++ ) {
    ans = ( ans ^ ( ( str . charAt ( i ) ) ) ) ;
  }
  return ans ;
}

static int XorAscii ( String str , int len ) { int ans = ( str . charAt ( 0 ) ) ; for ( int i = 1 ; i < len ; i ++ ) { ans = ( ans ^ ( ( str . charAt ( i ) ) ) ) ; } return ans ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_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: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (identifier) right: (parenthesized_expression (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))))))) (return_statement (identifier))))