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Scala List addString()用法及代码示例


此方法与addString()方法相同,但此处还包含分隔符。

函数定义: def addString(b:StringBuilder, sep:String):StringBuilder

返回类型: It returns the elements of the list to a string builder along with a separator between them.



范例1:

// Scala program of addString() 
// method with a separator 
  
// 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:
1*3*5*2

范例2:

// Scala program of addString() 
// method with a separator 
  
// 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:
1_3_5_2


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