To find the length of Particular Column

#1

array[0].length>>>>>Mam suppose we have a 2-D array of different column length( i.e >>for row= 1 size of column length=3 also for row =2 columnLength=6).So to find the length of particular columns what we have to right >>>>>>>>>>>>>>>
array[i].length ?

#2

Mam can u please tell me when u r going to resolve my doubt im eagerly waiting for your response🧐