class Day05_Work1 {
public static void main(String[] args) {
  int[][] arr2 = {{1,2,3},{5,3}};
  int min = getMin(arr2);
  System.out.println(min);
}
public static int getMin(int[][] arr) {
  int date = arr[0][0];
  for (int a = 0;a < arr.length ;a++ ) {
   for (int b = 0;b < arr[a].length ;b++ ) {
    if (date >= arr[a][b]) {
     date = arr[a][b];
    }
   }
  }
  return date;
}
}

不错哦..........