893.Scala关于变量定义、赋值,正确的是 选项: A:A:val a = 3 B:B:val a:String = 3 C:C:var b:Int = 3 ; b = 6 D:D:var b = "Hello World!" ; b = "123" 关于 赋值 发布时间:2024-05-07 19:43:27