1 class Student {
2
3 val mySayHello1: String => Unit =
sayHello
4 val mySayHello2: (String, Int) => Unit =
sayHello
5 val myTalkTo =
talkTo _
6 val myJumpStart: () => String =
jumpStart
7
8 def sayHello(name: String) =
{
9 println("Hello 1, " +
name)
10 }
11
12 def sayHello(name: String, age: Int) =
{
13 println("Hello 2, " + name + "," +
age)
14 }
15
16 def talkTo(name: String, age: Int): Unit =
{
17 println("Talk to , " + name + "," +
age)
18 }
19
20 def jumpStart(): String =
{
21 "Start to Jump"
22 }
23
24 }
25
26 object FunctionDemo {
27
28 def main(args: Array[String]): Unit =
{
29 val s =
new Student()
30 //操作标记法调用方法
31 s sayHello "bill"
32 //操作标记法调用方法
33 s sayHello ("bill", 20
)
34 //函数类型赋值
35 s.sayHello("bill"
)
36 s.sayHello("bill", 20
)
37 //用通配符为函数赋值
38 s.myTalkTo("bill", 10
)
39 //无输入参数函数赋值
40 println(s.myJumpStart())
41
42 }
43 }
Hello 1, billHello 2, bill,20Hello 1, billHello 2, bill,20Talk to , bill,10Start to Jump
转载于:https://www.cnblogs.com/AK47Sonic/p/7071043.html
相关资源：JAVA上百实例源码以及开源项目
