带有示例的 Scala Char isLetter() 方法

isLetter()方法用于检查指定的字符是否为字母。

Method Definition: def isLetter: Boolean

Return Type:It returns true if the stated character is letter else it returns false.

示例：1#

// Scala program of isLetter()
// method
  
// Creating object
object GfG
{ 
  
    // Main method
    def main(args:Array[String])
    {
      
        // Applying isLetter method
        val result = '9'.isLetter
          
        // Displays output
        println(result)
      
    }
} 

输出：

false

示例：2#

// Scala program of isLetter()
// method
  
// Creating object
object GfG
{ 
  
    // Main method
    def main(args:Array[String])
    {
      
        // Applying isLetter method
        val result = 'g'.isLetter
          
        // Displays output
        println(result)
      
    }
} 

输出：

true