StringBuildersConcrete Mutable Collection ClassesArray BuffersList BuffersContents

List Buffers

A ListBuffer is like an array buffer except that it uses a linked list internally instead of an array. If you plan to convert the buffer to a list once it is built up, use a list buffer instead of an array buffer.

scala> val buf = scala.collection.mutable.ListBuffer.empty[Int]
buf: scala.collection.mutable.ListBuffer[Int] = ListBuffer()
scala> buf += 1
res35: buf.type = ListBuffer(1)
scala> buf += 10
res36: buf.type = ListBuffer(1, 10)
scala> buf.toList
res37: List[Int] = List(1, 10)

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StringBuildersConcrete Mutable Collection ClassesArray BuffersList BuffersContents