package strings;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.function.Predicate;

public class ListRemoveIf {
	
	public static <T>List<T>
	removeElements(List<T> l, Predicate<T> p) {
		
		// Removing nulls using Java Stream
		// using Predicate condition in removeIf()
		l.removeIf(x -> p.test(x));
		
		return l;
		
	}

	public static void main(String[] args) {
		List<String> l = new ArrayList<>(
				Arrays.asList("Geeks",
								null,
								"forGeeks",
								null,
								"A computer portal"));
		System.out.println("List with null values: "+l);
		
		Predicate<String> isNull = i -> (i == null);
		
		l = removeElements(l, isNull);
		System.out.println("List with null values removed: " + l );

	}

}