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 Java, arrays and arraylists both can be used to store data. However, their functions and purposes are quite different. First of all, arrays are immutable in size, meaning that, once created, they ...

This crucial feature empowers developers to add or remove elements without the need to predetermine the collection's size. Nestled within the java.util package, ArrayLists showcase enhanced ...

The Java array size is set permanently when the array is initialized. The size or length count of an array in Java includes both null and non-null characters. Unlike the String and ArrayList, Java ...