摘要: 变量变量声明var 可变val 不可变;字面量(literal)用valval valDouble: Double = 10.6var varStr: String = "Hello Scala!"varStr = "Hello World!"// valDouble = 10.8 不可更改1234 阅读全文
posted @ 2024-01-24 20:40 听着DJ读童话 阅读(10) 评论(0) 推荐(0)