Shuffle Elements In Java ArrayList

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import java.util.ArrayList;
import java.util.Collections;

public class JavaArryListShuffle {
	public static void main(String a[]) {
		ArrayList<String> list = new ArrayList<String>();
		list.add("one");
		list.add("two");
		list.add("three");
		list.add("four");
		list.add("five");
		list.add("sixth");
		list.add("seven");

		Collections.shuffle(list);
		System.out.println("Results after shuffle operation:");
		for (String str : list) {
			System.out.println(str);
		}

		Collections.shuffle(list);
		System.out.println("Results after shuffle operation:");
		for (String str : list) {
			System.out.println(str);
		}
	}
}
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