GrowArray.java

import java.util.ArrayList;


public class GrowArray {

	public static void main(String[] args) {
		ArrayList<Integer> test = new ArrayList<Integer>();
		
		long maxTime = 0;
		for(int i=0;i<100000000;i++){
			long start = System.currentTimeMillis();
			test.add(i);
			long end = System.currentTimeMillis();
			if(end-start>maxTime){
				maxTime = end-start;
				System.out.println(i+ " " + maxTime);
			}
		}



	}

}