remove java arraylist

How to remove element from arraylist in java

// Java.util.ArrayList.remove(Object) method example
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);
      // removes element 56
      al.remove(new Integer(56));
      // removes element 28
      al.remove(new Integer(28));
      System.out.println("After using ArrayList.remove(Object) method size of ArrayList: " + al);
   }
}

Posted by: Guest on December-01-2020

Source

//create ArrayList ArrayList<String> arrayList = new ArrayList<String>(); //add item to ArrayList arrayList.add("item"); //check if ArrayList contains item (returns boolean) System.out.println(arrayList.contains("item")); //remove item from ArrayList arrayList.remove("item");

// Java.util.ArrayList.remove(Object) method example 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); // removes element 56 al.remove(new Integer(56)); // removes element 28 al.remove(new Integer(28)); System.out.println("After using ArrayList.remove(Object) method size of ArrayList: " + al); } }

Code answers related to "remove java arraylist"

Code answers related to "Java"

Browse Popular Code Answers by Language

Answers for "remove java arraylist"

Code answers related to "remove java arraylist"

Code answers related to "Java"

Java Answers by Framework

Browse Popular Code Answers by Language

Popular Programming Languages

Advertisements

Company

Compilers

Help

Connect with us