泛型基础复习

public class FanXingTest2 {

      public static void main(String[] args) {

           Box<String, Double> box2 = new Box<String, Double>();

           box2.setX("横坐标未知");

           box2.setY(66.88);

           box2.ShowPoint(box2.getX(), box2.getY());

      }

}

class Box<T1,T2>{

      T1 x;

      T2 y;

      public T1 getX() {

           return x;

      }

      public void setX(T1 x) {

           this.x = x;

      }

      public T2 getY() {

           return y;

      }

      public void setY(T2 y) {

           this.y = y;

      }

      public <T1,T2> void ShowPoint(T1 x, T2 y){

           T1 x1 = x;

           T2 y1 = y;

           System.out.println("这个点的坐标是："+x+","+y);

      }

}