scala中字符串計數

The range is a set of data from a lower value to a larger value. In Scala, we have an easy method to create a range using to keyword.

范圍是從較低值到較大值的一組數據。 在Scala中，我們有一種使用to關鍵字創建范圍的簡單方法。

Syntax:

句法：

startchar to endchar

程序創建一系列字符 (Program to create a range of characters)

object myObject { def main(args: Array[String]) {val string = ('i' to 'z').toArrayfor(i <- 0 to string.length-1)print(string(i) + " ")} }

Output

輸出量

i j k l m n o p q r s t u v w x y z

You can also choose the value to be incremented, i.e. you can skip any number of elements while creating this range.

您也可以選擇要增加的值，即在創建此范圍時可以跳過任何數量的元素。

程序以間隔創建范圍 (Program to create a range with interval)

object myObject { def main(args: Array[String]) {val string = ('A' to 'K' by 3).toArrayfor(i <- 0 to string.length-1)print(string(i) + " ")} }

Output

輸出量

A D G J

This range of characters is converted to the array here, we can convert the same to List, vectors, etc using toList and toVector methods respectively.

此范圍的字符在此處轉換為數組，我們可以分別使用toList和toVector方法將其轉換為List，vector等。

創建ASCII范圍 (Create ASCII Range)

You can also create a range of ASCII of the value of character within the given range.

您還可以在給定范圍內創建字符值的ASCII范圍。

Syntax:

句法：

array.range('startChar' , 'endChar')

程序以創建一系列ASCII值 (Program to create a range of ASCII values)

object myObject { def main(args: Array[String]) {val ASCIIrange = Array.range('A', 'K')for(i <- 0 to ASCIIrange.length-1)print(ASCIIrange(i) + " ")} }

Output

輸出量

65 66 67 68 69 70 71 72 73 74

翻譯自: https://www.includehelp.com/scala/how-to-create-a-range-of-characters-in-scala.aspx

scala中字符串計數

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