
import java.util.ArrayList;
import java.util.List;

class Main {
	public static void main(String[] args)
	{
		List<Integer> firstList = new ArrayList<>();

		List<Integer> secondList = new ArrayList<>();

		firstList.add(100);
		firstList.add(200);
		firstList.add(300);
		firstList.add(400);
		firstList.add(500);
		firstList.add(600);

		secondList.add(300);
		secondList.add(500);

		System.out.println("elements in first array " + firstList);
		System.out.println("elements in second array " + secondList);
		
    firstList.removeAll(secondList);
		System.out.println("first array after removing second array from first array\n"
			+ firstList);
	}
}
