public class TestProgram
{
    public static void main(String[] args) 
    {
        
        int i = 9;
        double pi = 3.14159;
        double money = 1000000;
        
        
        
        System.out.println("123456789012345");
        System.out.printf("%5d %5.1f\n",i,pi);
        System.out.printf("%-5d %5.1f\n",i,pi);
        System.out.printf("%-5d %-5.1f\n",i,pi);
    
        System.out.printf("I have %.2f dollars.\n",money);
        System.out.printf("I have %,.0f dollars.\n",money);
        
        System.out.println( myInfo() );
        
    }
    
    public static String myInfo() {
        String s = "";
        int student_num = 759099;
        String name = "Dave";
        
        s = String.format("%S's student number is: %09d\n", name, student_num);
        
        return s;
    }  
}