My husband has to wean off his Dilaudid prescription slowly. He was taking 4mg every 4 hours during the day for a total of 20mg to control pain. He has dropped 2mg a day and is now on 14mg.
Array inside Array. Arrays.equals() method does not compare recursively if an array contains another array on other hand Arrays.deepEquals() method compare recursively if an array contains another array. Arrays.equals() check is if element is null or not and then calls equals() method, it does not check for Array type.
Where len(myArray) us used to get the number of rows and len(myArray[i])) to get the number of elements in a row. Notice that there is no need for all of the rows to have the same number of elements, but if you are using a list as an array this is an assumption you need to enforce.