class output 
{
    public static void main(String args[])
    {
        char c[]={'a', '1', 'b' ,' ' ,'A' , '0'};
        for (int i = 0; i < 5; ++i)
        {
               if(Character.isDigit(c[i]))
                   System.out.println(c[i]+" is a digit");
               if(Character.isWhitespace(c[i]))
                   System.out.println(c[i]+" is a Whitespace character");
               if(Character.isUpperCase(c[i]))
                   System.out.println(c[i]+" is an Upper case Letter");
               if(Character.isLowerCase(c[i]))
                   System.out.println(c[i]+" is a lower case Letter");
           i=i+3;
        }
    }
}