java函数式编程之Function

public interface Function<T, R> {

/**
* Applies this function to the given argument.
*
* @param t the function argument
* @return the function result
*/
R apply(T t);
}

@Test
public void test(){
Function<Integer,String>function = x->"result: " + x.toString();
logger.info(function.apply(15));//输出 result: 15
}