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
*/