Java反射应用

最新推荐文章于 2025-04-29 19:24:35 发布

原创最新推荐文章于 2025-04-29 19:24:35 发布 · 418 阅读

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public class Box {

    private int height;

    private int weight;

    private int width;

    /**
     * @param height
     * @param weight
     * @param width
     */
    public Box(int height, int weight, int width) {
        super();
        this.height = height;
        this.weight = weight;
        this.width = width;
    }
    public int getHeight() {
        return height;
    }
    public void setHeight(int height) {
        this.height = height;
    }
    public int getWeight() {
        return weight;
    }
    public void setWeight(int weight) {
        this.weight = weight;
    }
    public int getWidth() {
        return width;
    }
    public void setWidth(int width) {
        this.width = width;
    }
}

public class FanSheTest {


    /**
     * @author 591791
     * @param args
     */
    public static void main(String[] args) {
        Box box = new Box(11, 22, 33);
        try {
            Method method = Box.class.getDeclaredMethod("getHeight");
            Object h = method.invoke(box);
            int height = (int)h;
            System.out.println("get height value: "+ height);
        } catch (NoSuchMethodException | SecurityException e) {

            e.printStackTrace();
        } catch (IllegalAccessException e) {

            e.printStackTrace();
        } catch (IllegalArgumentException e) {

            e.printStackTrace();
        } catch (InvocationTargetException e) {

            e.printStackTrace();
        }
    }

}