package pers.reflect.Constructor; import java.lang.reflect.Constructor; import java.lang.reflect.InvocationTargetException; import pers.reflect.person.Person; public class ReflectDemo1 { public static void main(String[] args) throws SecurityException, NoSuchMethodException, IllegalArgumentException, InstantiationException, IllegalAccessException, InvocationTargetException { Class c = Person.class; System.out.println("getDeclaredConstructors(),获取所有的构造方法:"); Constructor[] cons = c.getDeclaredConstructors(); for (Constructor con : cons) { System.out.println(con); } System.out.println(); System.out.println("getConstructors(),获取所有的构造方法:"); Constructor[] cons1 = c.getConstructors(); for (Constructor con : cons1) { System.out.println(con); } System.out.println(); Constructor con=c.getConstructor(String.class,int.class); Object p=con.newInstance("张珊珊",12); System.out.println(p); Constructor con1=c.getConstructor();//空参数的构造方法创建Person类对象 Object p1=con1.newInstance(); System.out.println(p1); } }
反射——获取构造方法
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转载自www.cnblogs.com/zhai1997/p/11391071.html
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