接口 RowData

方法详细资料

• get

  Object get(int index)

  Returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.

  参数:

  index -

  返回:

  data

• size

  int size()

  Returns the number of elements in this collection. If this collection contains more than Integer.MAX_VALUE elements, returns Integer.MAX_VALUE.

  返回:

  the number of elements in this collection

• isEmpty

  boolean isEmpty()

  Returns true if this collection contains no elements.

  返回:

  true if this collection contains no elements