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Scala常用类

1. scala.concurrent.Future

2. akka.actor.ActorSystem

3. scala.concurrent.ExecutionContext

4. scala.util.Try

5. org.scalatest.Matchers

6. java.io.File

7. scala.concurrent.ExecutionContext.Implicits.global

8. scala.util.Success

9. scala.util.Failure

10. scala.concurrent.Await

11. scala.collection.mutable

12. com.typesafe.config.ConfigFactory

13. play.api.libs.json.Json

14. scala.util.Random

15. play.api.Logger

16. scala.io.Source

17. akka.actor.Props

18. akka.actor.Actor

19. java.util.UUID

20. com.google.inject.AbstractModule

21. akka.stream.Materializer

22. scala.concurrent.Promise

23. javax.inject.Inject

24. org.scalatest.FlatSpec

25. akka.actor.ActorRef

26. java.util.concurrent.atomic.AtomicInteger

27. akka.stream.ActorMaterializer

28. java.util.Date

29. java.time.Instant

30. org.scalatest.BeforeAndAfterAll

31. org.apache.spark.SparkConf

32. scala.annotation.tailrec

33. scala.concurrent.duration.Duration

34. org.apache.spark.SparkContext

35. com.typesafe.config.Config

36. play.api.mvc.Action

37. java.util.concurrent.TimeUnit

38. org.scalatest.FunSuite

39. scala.reflect.ClassTag

40. org.slf4j.LoggerFactory

41. play.api.http.HttpFilters

42. scala.collection.mutable.ListBuffer

43. scala.language.postfixOps

44. java.time.Clock

45. scala.collection.mutable.ArrayBuffer

46. akka.util.Timeout

47. play.api.inject.ApplicationLifecycle

48. play.api.mvc.Controller

49. org.joda.time.DateTime

50. org.apache.spark.rdd.RDD

51. akka.pattern.ask

52. java.io.IOException

53. javax.inject.Singleton

54. java.text.SimpleDateFormat

55. play.api.Configuration

56. java.nio.file.Files

57. akka.http.scaladsl.Http

58. play.api.libs.json.JsValue

59. java.nio.file.Paths

60. akka.actor.ActorLogging

61. java.io.InputStream

62. java.net.URL

63. java.util.Properties

64. java.io.FileInputStream

65. java.io.PrintWriter

66. scala.util.control.NonFatal

67. org.scalatest.concurrent.ScalaFutures

68. org.scalatest.WordSpec

69. java.io.ByteArrayOutputStream

70. akka.stream.scaladsl.Source

71. play.api.Play.current

72. java.util.concurrent.Executors

73. java.net.URI

74. scala.util.matching.Regex

75. java.io.FileOutputStream

76. org.scalatest.BeforeAndAfterEach

77. java.nio.ByteBuffer

78. play.api.data.Form

79. play.api.mvc.Result

80. org.scalatest.FunSpec

81. scala.concurrent.duration.FiniteDuration

82. akka.util.ByteString

83. akka.testkit.TestKit

84. java.util.Calendar

85. org.apache.spark.sql.SQLContext

86. org.apache.spark.sql.DataFrame

87. play.api.test.FakeRequest

88. java.io.ByteArrayInputStream

89. org.scalatest.mock.MockitoSugar

90. akka.stream.scaladsl.Sink

91. org.junit.runner.RunWith

92. play.api.Play

93. java.sql.Timestamp

94. play.api.Application

95. org.apache.spark.sql.Row

96. org.scalatest.BeforeAndAfter

97. java.util.Locale

98. java.nio.charset.StandardCharsets

99. play.api.libs.concurrent.Execution.Implicits.defaultContext

100. java.net.InetSocketAddress

101. scala.scalajs.js

102. play.api.i18n.MessagesApi

103. org.apache.spark.sql.SparkSession

104. java.nio.charset.Charset

105. java.io.FileWriter

106. com.google.inject.Inject

107. play.api.libs.json.Writes

108. akka.event.Logging

109. java.net.InetAddress

110. org.scalacheck.Gen

111. java.security.MessageDigest

112. org.slf4j.Logger

113. slick.driver.JdbcProfile

114. akka.testkit.ImplicitSender

115. play.api.mvc.Request

116. play.api.db.slick.DatabaseConfigProvider

117. org.apache.log4j.Logger

118. scala.collection.immutable

119. org.scalatest.WordSpecLike

120. play.api.libs.ws.WSClient

121. java.nio.file.Path

122. java.io.BufferedReader

123. play.api.libs.json.JsObject

124. java.io.InputStreamReader

125. org.apache.hadoop.fs.Path

126. java.time.LocalDateTime

127. scala.collection.mutable.HashMap

128. org.specs2.mutable.Specification

129. java.net.URLEncoder

130. java.io.PrintStream

131. org.scalatest.Suite

132. org.scalatest.time.Span

133. play.api.mvc.RequestHeader

134. akka.stream.scaladsl.Flow

135. play.api.i18n.I18nSupport

136. org.json4s.DefaultFormats

137. com.fasterxml.jackson.databind.ObjectMapper

138. java.io.OutputStream

139. org.apache.commons.io.FileUtils

140. play.api.libs.json.Reads

141. org.apache.hadoop.conf.Configuration

142. org.apache.spark.streaming.StreamingContext

143. java.sql.Connection

144. org.scalatest.concurrent.Eventually

145. org.scalatest.junit.JUnitRunner

146. akka.http.scaladsl.server.Route

147. org.apache.spark.storage.StorageLevel

148. org.apache.spark.sql.types.StructType

149. java.time.format.DateTimeFormatter

150. play.api.Environment