摘要: //数组 int []arr = new int[3]; arr[0] = 2; arr[1] = 3; arr[2] = 1; System.println.out(arr); //一个地址 System.println.out(Arrays.toString(arr)); //转字符串 [2, 阅读全文
posted @ 2020-10-28 20:39 CPJ31415 阅读(176) 评论(0) 推荐(0)