All you need to know is that Set doesn't allow duplicates in Java. Which means if you have added an element into Set and trying to insert duplicate element again, it will not be allowed. In Java, you ...

To build an array list, you need to initialize it using our chosen data type, and then we can add each element individually using the add method. We also need to import ArrayList from the Java ...

In this blog we will understand about vector class in collection framework. we use vector class to facilitate the growable nature of collection of objects. like array we can access any member of the ...

In Java an array is a way of storing multiple items of the same type. ... The number of elements the array can store is defined upon creation and cannot be changed afterward.