Copy Elements of One Java ArrayList to Another Java ArrayList : ArrayList « Collections Data Structure « Java

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Java » Collections Data Structure » ArrayList

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Copy Elements of One Java ArrayList to Another Java ArrayList


   



import java.util.ArrayList;

import java.util.Collections;



public class Main {



  public static void main(String[] args) {



    ArrayList<String> arrayList1 = new ArrayList<String>();

    arrayList1.add("1");

    arrayList1.add("2");

    arrayList1.add("3");



    ArrayList<String> arrayList2 = new ArrayList<String>();



    arrayList2.add("One");

    arrayList2.add("Two");

    arrayList2.add("Three");

    arrayList2.add("Four");

    arrayList2.add("Five");



    System.out.println(arrayList2);



    Collections.copy(arrayList2, arrayList1);

    System.out.println(arrayList2);

  }

}

/*

[One, Two, Three, Four, Five]

[1, 2, 3, Four, Five]

*/

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