static void printSum ( int L , int R ) {
  System . out . println ( pref [ R ] - pref [ L - 1 ] ) ;
}

static void printSum ( int L , int R ) { System . out . println ( pref [ R ] - pref [ L - 1 ] ) ; }
(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))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal)))))))))