ＡＰＩ　使用法

/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package don;

/**
*
* @author ce00582
*/

import sub.plus;

public class pro {

    int x,y,z;


    public static void main(String[] args) {

     pro test=new pro();
    }

    pro(){

        plus x2=new plus();
        z=x2.f(10);
        System.out.println(z);





    }
}