反射异常捕获

 文章出处:https://www.cnblogs.com/yjd_hycf_space/p/7765748.html

package com.zzj.test.reflect;  
  
import java.lang.reflect.InvocationTargetException;  
import java.lang.reflect.Method;  
  
public class Test {  
    public static void main(String[] args) {  
        try {  
            Class<?> clazz = Class.forName("com.zzj.test.reflect.Reflect");  
            Method method = clazz.getMethod("run", int.class);  
            method.invoke(clazz.newInstance(), -1);  
        } catch (ClassNotFoundException e) {  
            e.printStackTrace();  
        } catch (SecurityException e) {  
            e.printStackTrace();  
        } catch (NoSuchMethodException e) {  
            e.printStackTrace();  
        } catch (IllegalArgumentException e) {  
            e.printStackTrace();  
        } catch (IllegalAccessException e) {  
            e.printStackTrace();  
        } catch (InvocationTargetException e) {  
            System.out.println("此处接收被调用方法内部未被捕获的异常");  
            Throwable t = e.getTargetException();// 获取目标异常  
            t.printStackTrace();  
        } catch (InstantiationException e) {  
            e.printStackTrace();  
        }  
    }  
}