Scala List addString() 方法与示例

addString()方法用于将列表的所有元素附加到字符串构建器。

Method Definition: def addString(b: StringBuilder): StringBuilder

Return Type: It returns the elements of the list to a string builder.

示例 #1：

// Scala program of addString()
// method
  
// Creating object
object GfG
{ 
  
    // Main method
    def main(args:Array[String])
    {
      
        // Creating a list
        val m1 = List(1, 3, 5, 2)
          
        // Applying addString method
        val res = m1.addString(new StringBuilder())
          
        // Displays output
        println(res)
      
    }
}

输出：

1352

示例 #2：

// Scala program of addString()
// method
  
// Creating object
object GfG
{ 
  
    // Main method
    def main(args:Array[String])
    {
      
        // Creating a list
        val m1 = List(1, 1, 5, 2)
          
        // Applying addString method
        val res = m1.addString(new StringBuilder())
          
        // Displays output
        println(res)
      
    }
}

输出：

1152