public class MyClass {
public static int getTheLowestDigit(int n) {
int min = 9;
while(n != 0) {
if (n % 10 < min) min = n % 10;
n /= 10;
}
return min;
}
public static void main(String args[]) {
int n = 213;
System.out.println(getTheLowestDigit(n));
n = 76594;
System.out.println(getTheLowestDigit(n));
n = 76529;
System.out.println(getTheLowestDigit(n));
}
}
/*
run:
1
4
2
*/