带有示例的 Scala Char isDigit() 方法

isDigit()方法用于检查指定的字符是否为数字。

Method Definition: def isDigit: Boolean

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

示例：1#

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

输出：

true

示例：2#

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

输出：

false