Scala Set +() 方法示例
+()方法用于创建具有附加元素的新集合,除非该元素已经存在。
Method Definition: def +(elem: A): Set[A]
Return Type: It returns a new set with an additional element unless the element is already present.
示例 #1:
// Scala program of +()
// method
// Creating object
object GfG
{
// Main method
def main(args:Array[String])
{
// Creating a set
val s1 = Set(1, 2, 3, 4, 6, 7)
// Applying +() method
val result = s1.+(5)
// Display output
print(result)
}
}
输出:
Set(5, 1, 6, 2, 7, 3, 4)
示例 #2:
// Scala program of +()
// method
// Creating object
object GfG
{
// Main method
def main(args:Array[String])
{
// Creating a set
val s1 = Set(41, 12, 23, 43, 1, 72)
// Applying +() method
val result = s1.+(100)
// Display output
print(result)
}
}
输出:
Set(1, 41, 12, 72, 43, 23, 100)