Append all elements of other Collection to ArrayList - Java Collection Framework

Java examples for Collection Framework:ArrayList

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Introduction

To append all elements of another Collection to ArrayList use boolean addAll(Collection c) method.

Demo Code

import java.util.ArrayList;
import java.util.Vector;

public class Main {

  public static void main(String[] args) {

    ArrayList<String> arrayList = new ArrayList<>();

    arrayList.add("1");
    arrayList.add("2");
    arrayList.add("3");

    Vector v = new Vector();
    v.add("4");/*from   w  w  w  .  j a va 2  s  . c om*/
    v.add("5");

    // append all elements of Vector to ArrayList
    arrayList.addAll(v);

    System.out.println(arrayList);
  }
}

Result


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