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 ...

Adding element to array Java There is no way to add elements into array defined by “new” operator. The array size is fixed when defined that way. However you can set the values of the array element.

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 ...