Collection.Shuffle(); Method

We have already know that ArrayList ..

ArrayList class is provide resizeable-array and implements all the List interface.

ArrayList also permit all elements and also contain null.
Like integer, string, or null and whatever..

for ex.

ArrayList<integer> al = new ArrayList();

here, <integer> is list type which type of array is contain so that ....

and after you have add list value into arraylist

al.add(1);
al.add(2);
al.add(3);


ArrayList is one Method to use shuffle your arraylist..

Collection.Shuffle();

it use randomly arrange values.

Example :

public class demo{
public static void main(String args[]){
      ArrayList<integer> al = new ArrayList();

     al.add(1); 
     al.add(2); 
     al.add(3);
System.out.println("print arraylist :- "+al);

Collection.shuffle(al);
System.out.println("print arraylist after shuffle :-"+al);

}
}