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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();
}
}