蔡季樺

1. public class JPA01 {
   
2.     public static void main(String args[])
   
3.     {
   
4.             System.out.printf("f(-3.2)=%.4f\r\n",f(-3.2));
   
5.             System.out.printf("f(-2.1)=%.4f\r\n",f(-2.1));
   
6.             System.out.printf("f(0)=%.4f\r\n",f(0));
   
7.             System.out.printf("f(2.1)=%.4f\r\n",f(2.1));
   
8.     }
   
9.     public static double f(double x)
   
10.     {
    
11.             return 3*(x*x*x)+2*x-1;
    
12.     }
    
13. }

複製代碼