java 二维数组和字符串相互转化?答:// 转为String String str = test.convertToString(array, row, col);System.out.println(str); // 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,//转为int[][]int[][] arrayConvert = new int[row][col];arrayConvert = test.convertToArray(str, row, col);} public int ...