java Arrays.fill 扩充数组

import java.util.*;

public class ImoocStudent {
    public static void main(String args[]){

        int array[] = new int[6];
        Arrays.fill(array,100);
        for (int i = 0,n = array.length;i < n;i++){
            System.out.println(array[i]);
        }

        System.out.println("------");
        Arrays.fill(array,3,6,40);// 3到6位置扩充40
        for(int i = 0,n = array.length;i < n;i++){
            System.out.println(array[i]);
        }
    }

}