Introduced in Java 5, generics enhance the type safety of your code and make it easier to read. This helps you avoid runtime errors like the ClassCastException, which happens when you try to cast ...

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A Java ArrayList allows for duplicate and null values. A Java ArrayList is an ordered collection, and maintains the insertion order of the elements. You cannot create an ArrayList of primitive types ...

In this blog we will learn how to iterate over the elements of a collection (here we considered arraylist) using generics and without generics.first we will go through the process of using iterator ...

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 ...

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 ...