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 ...

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 ...

MyArrayList Array based implementation of an ArrayList in Java Implement a MyArrayList class similar to the java.util.ArrayList class using an array of objects. Although an array’s size is fixed once ...

Files ArrayToArrayList.java: The main program for array to ArrayList conversion. UserInput.java: A utility class providing a method for user input.

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 ...

If you remove an item from the array, then you need to “shift” all of the items that come after it, otherwise, there are “holes” in the array. Overall, an array is very useful if you know exactly how ...