package com.logicbig.example.collections;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class SingletonListExample2 {
public static void main(String... args) {
List<Integer> list = new ArrayList<>();
Collections.addAll(list, 1, null, 4, null, 7, null, null);
System.out.println(list);
list.remove(null);
System.out.println(list);
list.removeAll(Collections.singleton(null));
System.out.println(list);
}
}
Output
[1, null, 4, null, 7, null, null]
[1, 4, null, 7, null, null]
[1, 4, 7]