古蕾娜

1. public class Ch06
   
2. {
   
3.         static float tri(float x, float y)
   
4.         {
   
5.                 return x*y/2;
   
6.         }
   
7.        
   
8.         public static void main(String[] args)
   
9.         {
   
10.                 System.out.println("A triange with bottom 7cm, Height 5cm's area is "+tri(7,5)+" cm square.");
    
11.         }
    
12. }

複製代碼