java之数组

//为0索引元素赋值为6 
arr[0] = 6; 
//获取数组0索引上的元素
int i = arr[0]; 
System.out.println(i);

public static void main(String[] args) {
     int[] arr = { 1, 2, 3, 4, 5 }; 
     for (int min = 0, max = arr.length ‐ 1; min <= max; min++, max‐‐) {
           int temp = arr[min]; 
           arr[min] = arr[max]; 
           arr[max] = temp;
    }
    for (int i = 0; i < arr.length; i++) { 
          System.out.println(arr[i]); 
     } 
}