YouTipCollection Shuffle
# Java Example - Shuffling a Collection
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The following example demonstrates how to use the `Collections.shuffle()` method from the `Collections` class to shuffle the order of elements in a collection:
## Main.java File
import java.util.*; public class Main{public static void main(String[]args){Listlist = new ArrayList(); for(int i = 0; i<10; i++)list.add(new Integer(i)); System.out.println("Before shuffling:"); System.out.println(list); for(int i = 1; i<6; i++){System.out.println("Shuffle #" + i + ":"); Collections.shuffle(list); System.out.println(list); }}}
The output of the above code is:
Before shuffling:[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]Shuffle #1:[2, 0, 5, 1, 4, 9, 7, 6, 3, 8]Shuffle #2:[2, 6, 4, 8, 5, 7, 9, 1, 0, 3]Shuffle #3:[6, 5, 1, 0, 3, 7, 2, 4, 9, 8]Shuffle #4:[1, 3, 8, 4, 7, 2, 0, 6, 5, 9]Shuffle #5:[3, 0, 7, 9, 5, 8, 4, 2, 1, 6]
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