Get Size of Java ArrayList and loop through elements Example
- /*
- Get Size of Java ArrayList and loop through elements Example
- This Java Example shows how to get size or number of elements currently
- stored in ArrayList. It also shows how to loop through element of it.
- */
- import java.util.ArrayList;
- public class GetSizeOfArrayListExample {
- public static void main(String[] args) {
- //create an ArrayList object
- ArrayList arrayList = new ArrayList();
- //Add elements to Arraylist using
- arrayList.add("1");
- arrayList.add("2");
- arrayList.add("3");
- //To get size of Java ArrayList use int size() method
- int totalElements = arrayList.size();
- System.out.println("ArrayList contains...");
- //loop through it
- for(int index=0; index < totalElements; index++)
- System.out.println(arrayList.get(index));
- }
- }
- /*
- Output would be
- ArrayList contains...
- 1
- 2
- 3
- */
