how to remove an element from an arraylist java
// Java program to demonstrate working of remove
// on an integer arraylist
import java.util.List;
import java.util.ArrayList;
public class GFG
{
public static void main(String[] args)
{
List<Integer> al = new ArrayList<>();
al.add(10);
al.add(30);
al.add(1);
al.add(2);
// This makes a call to remove(int) 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);
System.out.println("Modified ArrayList : " + al);
}
}