Java Get List Length

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MyList size gives actual no of elements in the list Note that since indexing starts from 0 no of elements according to indexing will be size 1 myList add newString use myList add to insert elements to the arraylist System out println myList size int listCount = data.size (); That tells you how many lists there are (assuming none are null). If you want to find out how many strings there are, you'll need to iterate: int total = 0; for (List sublist : data) { // TODO: Null checking total += sublist.size (); } // total is now the total number of strings.

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Java Get List LengthWhat 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? java arrays string collections Share Follow asked May 19, 2014 at 5:11 Makoto 105k 27 194 231 1 Given an ArrayList in Java the task is to write a Java program to find the length or size of the ArrayList Examples Input ArrayList 1 2 3 4 5 Output 5 Input ArrayList geeks for geeks Output 3