如何使用scala编写wordcount程序

本篇内容介绍了"如何使用scala编写wordcount程序"的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！

直接上程序吧
一、公共类

1. 
   

2. 4.0.0
   

3. testScala
   

4. testScala
   

5. 1.0
   

6. 2008
   

7. 
   

8. 2.11.8
   

9. 2.6.0-cdh6.7.0
   

10. 2.2.1
    

11. 5.1.25
    

12. 
    

13. 
    

14. 
    

15. 
    

16. scala-tools.org
    

17. Scala-Tools Maven2 Repository
    

18. http://scala-tools.org/repo-releases
    

19. 
    

20. 
    

21. 
    

22. cloudera
    

23. cloudera
    

24. https://repository.cloudera.com/artifactory/cloudera-repos/
    

25. 
    

26. 
    

27. 
    

28. 
    

29. 
    

30. scala-tools.org
    

31. Scala-Tools Maven2 Repository
    

32. http://scala-tools.org/repo-releases
    

33. 
    

34. 
    

35. 
    

36. 
    

37. 
    

38. org.apache.spark
    

39. spark-core_2.11
    

40. ${spark.version}
    

41. 
    

42. 
    

43. org.scala-lang
    

44. scala-library
    

45. ${scala.version}
    

46. 
    

47. 
    

48. junit
    

49. junit
    

50. 4.4
    

51. test
    

52. 
    

53. 
    

54. org.specs
    

55. specs
    

56. 1.2.5
    

57. test
    

58. 
    

59. 
    

60. 
    

61. org.apache.hadoop
    

62. hadoop-client
    

63. ${hadoop.version}
    

64. 
    

65. 
    

66. 
    

67. mysql
    

68. mysql-connector-java
    

69. ${mysql.version}
    

70. 
    

71. 
    

72. 
    

73. 
    

74. src/main/scala
    

75. src/test/scala
    

76. 
    

77. 
    

78. org.scala-tools
    

79. maven-scala-plugin
    

80. 
    

81. 
    

82. 
    

83. compile
    

84. testCompile
    

85. 
    

86. 
    

87. 
    

88. 
    

89. ${scala.version}
    

90. 
    

91. -target:jvm-1.5
    

92. 
    

93. 
    

94. 
    

95. 
    

96. org.apache.maven.plugins
    

97. maven-eclipse-plugin
    

98. 
    

99. true
    

100. 
     

101. ch.epfl.lamp.sdt.core.scalabuilder
     

102. 
     

103. 
     

104. ch.epfl.lamp.sdt.core.scalanature
     

105. 
     

106. 
     

107. org.eclipse.jdt.launching.JRE_CONTAINER
     

108. ch.epfl.lamp.sdt.launching.SCALA_CONTAINER
     

109. 
     

110. 
     

111. 
     

112. 
     

113. 
     

114. 
     

115. 
     

116. 
     

117. org.scala-tools
     

118. maven-scala-plugin
     

119. 
     

120. ${scala.version}
     

121. 
     

122. 
     

123. 
     

124. 
     

六、测试数据
hdfs dfs -ls /ruozedata/scala
Found 3 items
-rw-r--r-- 3 hadoop supergroup 24 2018-02-12 14:48 /ruozedata/scala/201802121449-1.txt
-rw-r--r-- 3 hadoop supergroup 12 2018-02-12 14:48 /ruozedata/scala/201802121449-2.txt
-rw-r--r-- 3 hadoop supergroup 12 2018-02-12 14:48 /ruozedata/scala/201802121449-3.txt
-----------------------------------------------------------------------------------------------------------
hdfs dfs -cat /ruozedata/scala/201802121449-1.txt
hello world
hello worls

hdfs dfs -cat /ruozedata/scala/201802121449-2.txt
hello ruoze

hdfs dfs -cat /ruozedata/scala/201802121449-3.txt
ruoze hello

七、测试结果

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