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/*
Output:
true
[2nd, 3rd, 2nd, 3rd]
* */
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class MainClass {
public static void main(String args[]) {
String orig[] = { "1st", "2nd", "3rd", "4th", "5th", "1st", "2nd", "3rd",
"4th", "5th" };
String act[] = { "2nd", "3rd", "6th" };
List origList = new ArrayList(Arrays.asList(orig));
List actList = Arrays.asList(act);
System.out.println(origList.retainAll(actList));
System.out.println(origList);
}
}
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