package pkg; import my_util.Function; public class UseLambda { public static void main(String[] args) { Function<String> func = new Function<String> ( String.class,Integer.class ) { public String call_implem(Object... __params__) { String x = (String) __params__[0];Integer y = (Integer) __params__[1]; { return x + y; } } }; System.out.println(func.call("hello", 1)); } }