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Java ArrayList addAll

Submitted by Sameera on Fri, 11/12/2010 - 19:45

This Java Example shows how to add all elements of Collection to Java ArrayList using addAll method.

import java.util.ArrayList;
 
//Java ArrayList addAll
 
/*
 * This Java Example shows how to add all elements of Collection to
 * Java ArrayList using addAll method.
 */
 
public class JavaArrayListAddAll {
 
    public static void main(String args[]){
       
        ArrayList<String> aListBasicColors = new ArrayList<String>();
        aListBasicColors.add("Red");
        aListBasicColors.add("Green");
        aListBasicColors.add("Blue");
       
        ArrayList<String> aListAllColors = new ArrayList<String>();
        aListAllColors.add("White");
        aListAllColors.add("Black");
        aListAllColors.add("Cyan");
       
        /*
         * To add all values from any Collection to ArrayList use,
         * boolean addAll(Collection c)
         * method of Java ArrayList class.
         */
       
        //add all elements from one ArrayList to another
        aListAllColors.addAll(aListBasicColors);
       
        System.out.println("Added all elements from ArrayList" + aListAllColors);
       
    }
}
 
/*
Output of above given Java ArrayList addAll example would be
Added all elements from ArrayList[White, Black, Cyan, Red, Green, Blue]
*/