moins.java

在Java中实现数字的加、减、乘、除等运算。

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package calculatrice;

/**
 *
 * @author Loïc
 */
public class Moins {
    
    
    public void operer(Pile p){
         int val1=0;
         int val2=0;
     if(p.estvide()==false){
          val1=p.depiler();
          val2=p.depiler();
         p.empiler(val1-val2);   
     }
    }
     public String afficher(){
        return "-";
    }
    
    
    
    
 public static void main(String args[]){

    /*test de la methode operer*/
    
        Pile p=new Pile(3);
        Moins s=new Moins();
        int res;
        p.empiler(1);
        p.empiler(2);
        s.operer(p);
        res=p.depiler();
        System.out.println(res);

}
}