intellij idea display Arraylist expansion process of solving not showing null elements

Set the display Arraylist the null complete view of the initial size of the array, the expansion process

First, the
old version: Settings -> Debugger -> Data Views -> Arrays -> Hide null array elements
new version: Settings -> Debugger -> Data Views -> Java cancel Hide null elements in array and collections

or set breakpoints, after start debugging, select Customize Data Views in Variables or Watches right message area below the idea, cancel Hide null elements in array and collections

Second,
click select under the idea tips right View ArrayList variable in the variables information area as selected object, expand the ArrayList variable, expand elementData view all content ArrayList