通过反射绕过泛型检查

最新推荐文章于 2020-11-02 22:07:03 发布

m15225134308

最新推荐文章于 2020-11-02 22:07:03 发布

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import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;

public class Demo {
public static void main(String[] args) throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
ArrayList intList = new ArrayList();
intList.add(10);
// intList.add(“abc”);
//通过反射
Class listClass = intList.getClass();
Method addMethod = listClass.getMethod(“add”, Object.class);
addMethod.invoke(intList, “abc”);

    System.out.println("-----------------");
    for(Object obj : intList){
        System.out.println(obj);
    }
    System.out.println("-----------------");
}

}