Java Collections.shuffle(List <?> list)
Syntax
Collections.shuffle(List <?> list) has the following syntax.
public static void shuffle(List <?> list)
Example
In the following code shows how to use Collections.shuffle(List <?> list) method.
/*from w w w . j av a2 s. co m*/
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class Main {
public static void main(String args[]) {
// create array list object
List<String> arrlist = new ArrayList<String>();
// populate the list
arrlist.add("A");
arrlist.add("B");
arrlist.add("from java2s.com");
System.out.println("Initial collection: "+arrlist);
// shuffle the list
Collections.shuffle(arrlist);
System.out.println("Final collection after shuffle: "+arrlist);
}
}
The code above generates the following result.
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