```
public class TestList{
public static void test(){
Random random = new Random();
ArrayList<Integer> list = new ArrayList();
for(int i=0;i<3000;i++){
list.add(random.nextInt(4));
}
System.out.println(list);
}
public static void main(String[] args){
for(int i=0;i<100;i++){
System.out.println("---------"+i);
test();
}
}
}
```
