To reset ArrayList we have two options, one is to use clear() method and another is to use removeAll(). We dont need to worry if size of the ArrayList is small i.e. 10 to 100. But if ArrayList size ...

This post shows readers how to create an array in Java. Including: Array Lists, multidimensional arrays, maps, ... import java.util.ArrayList; ... even as we add and remove data from our list!

In this blog we will learn about arraylist. arraylist is one of the collection class of collection framework. it is a way of storing elements dynamically in an array. it implements the list interface ...

To find the size of a Java array, query an array’s length property. The Java array size is set permanently when the array is initialized. The size or length count of an array in Java includes both ...