belongs to collection: All Collection programs in Java with examples
Write a Java program to join two array lists
In this demo I have used NetBeans IDE 8.2 for debugging purpose. But you can use any java programming language compiler as per your availability..
import java.util.ArrayList; import java.util.Collections; public class Javacollectionexcercise { public static void main(String[] args) { ArrayList<String> Stringslist1= new ArrayList<String>(); Stringslist1.add("Audi"); Stringslist1.add("BMW"); Stringslist1.add("Bugatti"); Stringslist1.add("Ford"); Stringslist1.add("Honda"); System.out.println("First array list: " + Stringslist1); ArrayList<String> Stringslist2= new ArrayList<String>(); Stringslist2.add("Ferrari"); Stringslist2.add("Fiat"); Stringslist2.add("Honda"); Stringslist2.add("Hyundai"); System.out.println("Second array list: " + Stringslist2); // Let join above two list ArrayList<String> a = new ArrayList<String>(); a.addAll(Stringslist1); a.addAll(Stringslist2); System.out.println("New array list: " + a); } }
Result:
First array list: [Audi, BMW, Bugatti, Ford, Honda]
Second array list: [Ferrari, Fiat, Honda, Hyundai]
New array list: [Audi, BMW, Bugatti, Ford, Honda, Ferrari, Fiat, Honda, Hyundai]
total answers (1)
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In this demo I have used NetBeans IDE 8.2 for debugging purpose. But you can use any java programming language compiler as per your availability..
Result:
First array list: [Audi, BMW, Bugatti, Ford, Honda]
Second array list: [Ferrari, Fiat, Honda, Hyundai]
New array list: [Audi, BMW, Bugatti, Ford, Honda, Ferrari, Fiat, Honda, Hyundai]
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