- public class ch34 //類別
- {
- public static void main(String args[]) //主方法
- {
- int x=2, y=5;
- System.out.println(x+"的"+y+"次方為"+MyMath.pow(x,y));
- System.out.println(x+"減去"+y+"等於"+MyMath.minus(x,y));
- System.out.println(x+"加上"+y+"等於"+MyMath.plus(x,y));
- }
- }
- class MyMath
- {
- public static float pow(int a, int b)
- {
- int result=1;
- for(int i=1; i<=b; i++)
- result=result*a;
- return result;
- }
-
- public static int minus(int a, int b)
- {
- return a-b;
- }
- public static int plus(int a, int b)
- {
- return a+b;
- }
- }
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