how to romve a element from arraylist in java
List<Integer> al = new ArrayList<>(); al.add(10); al.add(20); al.add(30); al.add(1); al.add(2); // This makes a call to remove(index) and // removes element 20. al.remove(1); // Now element 30 is moved one position back // So element 30 is removed this time al.remove(1);
