Scala Char unary_-() 方法与示例

unary_-()方法用于给出所述字符的否定值。

Method Definition: def unary_-: Int

Return Type: It returns negative Integer value of the stated character.

示例：1#

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

输出：

-57

示例：2#

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

输出：

-65