May 19, 2014 · What are the different ways that I can access the length of an array, a collection (List, Set, etc.), and a String object? Why is it different?

Mar 2, 2015 · The length of an array is available as int l = array.length; The size of a List is availabe as int s = list.size();

Dec 27, 2009 · In Java, an Array stores its length separately from the structure that actually holds the data. When you create an Array, you specify its length, and that becomes a defining …

In this case, we access [1, 1, 1, 1] and thus, the number of columns = 4. When you're given a problem where you can't see the array, you can visualize the array as a rectangle with n X m …

Mar 12, 2014 · getBytes () Encodes the String into a sequence of bytes using the platform's default charset, storing the result into a new byte array. Try to print the bytes you will see the …

Jul 30, 2012 · I'm making a calculator and I have converted a String to a char array using char[] b = inputString.toCharArray(); (inputString is my String variable) Because the String is an input I …

Sep 26, 2013 · Is the property of the array that returns an int if the size if the array. If you want a better list, I would use an ArrayList where you can use the size() method on the collection.

Nov 25, 2013 · size() is a method specified in java.util.Collection, which is then inherited by every data structure in the standard library. length is a field on any array (arrays are objects, you just …

Nov 6, 2010 · In Java, 2D arrays are really arrays of arrays with possibly different lengths (there are no guarantees that in 2D arrays that the 2nd dimension arrays all be the same length) You …

Mar 30, 2017 · On the other hand jar.size(); (as proposed in the other answer) is not working for me. So for future users searching (like me) how to get the size of a JSONArray, length() works …