1. Write a java program to print the nth digit of a number where n is a positive number.
2. Write java program to find sum of all digits. Input 23617 output 2+3+6+1+7 =19.
3. Write a java program that will count occurrence of a given number in an array.
4. Write a Java program that will go through the items of an array and find the max and min value.
Take the following values as the input of the array
{2, 3, 9, 8, 13, 1, 5, 19, 15, 0, 4}