how to remove data from a java arraylist code example
Example 1: How to remove element from arraylist in java
// java program on ArrayList remove(int index) method example
import java.util.ArrayList;
import java.util.List;
public class ArrayListRemoveIndex
{
public static void main(String[] args)
{
List<Integer> al = new ArrayList<>();
al.add(56);
al.add(28);
al.add(39);
al.add(59);
al.add(82);
System.out.println("Before using ArrayList.remove(int index) method: " + al);
// removes element 28
al.remove(1);
// element 39 is now moved one position back
// So element 39 is removed
al.remove(1);
System.out.println("After using ArrayList.remove(int index) method: " + al);
}
}
Example 2: remove item from arraylist in java
//Create the ArrayList
List<Integer> al = new ArrayList<>();
//Add the items
al.add(10);
al.add(18);
//Remove item(1 = 2and item in list)
al.remove(1);