當我嘗試推出SBT,我得到以下信息: ~(501)$sbt
(standard_in) 1: parse error
No java installations was detected.
Please go to http://www.java.com/getjava/ and download
然而,Java和斯卡拉安裝 ~(508)$java -version
java ver
有沒有人知道如何使用無形的測試工作。 package net.jtownson.swakka.jsonschema
import org.scalatest.FlatSpec
import org.scalatest.Matchers._
class OptionalFieldSpec extends FlatSpec {
case class A(i: Int, j: Op