学习笔记—scala基础II_def sayhello(name:string, age:int=20){ println("na-CSDN博客

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文章浏览阅读313次。类//定义类class helloworld{private var name="Tom"def say(){ print("hello,"+ name)}def getname()=name}//创建类的对象val aa=new helloworld//调用方法aa.say()print(aa.getname()) //可以不加（），如果定义方法是不带括号，调用时也不能带（）//_def sayhello(name:string, age:int=20){ println("name is "+name+ ",age is

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学习笔记—scala基础II_def sayhello(name:string, age:int=20){ println(&quot;na-CSDN博客

学习笔记—scala基础II_def sayhello(name:string, age:int=20){ println("na-CSDN博客