arraylist delete element java code example
Example 1: How to remove element from arraylist in java
import java.util.ArrayList;
import java.util.List;
public class ArrayListRemoveObjectMethod
{
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(Object) method size of ArrayList: " + al);
al.remove(new Integer(56));
al.remove(new Integer(28));
System.out.println("After using ArrayList.remove(Object) method size of ArrayList: " + al);
}
}
Example 2: How to remove element from arraylist in java
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);
al.remove(1);
al.remove(1);
System.out.println("After using ArrayList.remove(int index) method: " + al);
}
}
Example 3: remove item from arraylist in java
List<Integer> al = new ArrayList<>();
al.add(10);
al.add(18);
al.remove(1);
Example 4: java arraylist remove
ArrayList<String> arrayList = new ArrayList<String>();
arrayList.add("item");
System.out.println(arrayList.contains("item"));
arrayList.remove("item");
Example 5: arraylist remove method java
public E remove(int index)