Where does 49 come from?

Question

Java

Says that the variable var = 49. Why is that?

public class Main {
  public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    
    int number = scanner.nextInt();
    int[] res = new int[10];
    scanner.close();
    
    for (int i = 1; i <= number; i++) {
      String str = Integer.toString(i);
      char[] n = str.toCharArray();
      for (int j = 0; j < n.length; j++) {
        System.out.print(n[j]);
        int var = n[j];
        res[var]++;
      }
    }
    
    for (int i : res) {
      System.out.print(i + " ");
    }
  }
}

Answer 1

From here, int var = n[j];
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