Lambda Expressions (3)

Function01.java

01 package com.test03;
02
03 import java.util.function.BinaryOperator;
04 import java.util.function.UnaryOperator;
05
06 public class Function01 {
07     
08     public static void main(String[] args) {  
09         unaryTest();
10         binaryTest();
11
12     }
13
14     private static void binaryTest() {
15         BinaryOperator<Integer> sum = (i, j) -> i + j;
16         System.out.println(sum.apply(10, 20));
17     }
18
19     private static void unaryTest() {
20           UnaryOperator<String> hello = (name) -> "Hello, " + name;
21       
22           System.out.println(hello.apply("Lambda"));
23     }
24 }
------
Hello, Lambda
30