import java.util.ArrayList;


public class Test {
    
    static void print(ArrayList al){
        
        al.add(2);
        System.out.println(al.get(0));
        System.out.println(al.get(1));
        System.out.println();
        
        
        al=new ArrayList();
        al.add(3);
        al.add(4);
        
        System.out.println(al.get(0));
        System.out.println(al.get(1));
        System.out.println();
    }
    
    public static void main(String args[]){
        Test test=new Test();
        ArrayList al=new ArrayList();
        al.add(1);
        
        print(al);
        for(int i=0;i<al.size();i++){
            System.out.println(al.get(i));
        }
        System.out.println();
        System.out.println(al.get(1));
        System.out.println();
    }

}