package com.evor.test;import java.lang.reflect.Constructor;import java.lang.reflect.InvocationTargetException;public class Test1{	public static void main(String args[]){		Class<?> demo1 = null; 	//类类型		Class<?> demo2=null;		Class<?> demo3=null;		try{			demo1=Class.forName("com.evor.test.Person");	//获得类类型		}catch(Exception e){					}		demo2 = new Person().getClass(); //另一种获得类类型的方式		demo3 = Person.class;			 //另一种获得类类型的方式				System.out.println("类名称"+demo1.getName());		System.out.println("类名称"+demo2.getName());		System.out.println("类名称"+demo3.getName());				try {			Constructor<?> c1 =demo1.getDeclaredConstructor();			System.out.println(c1);	//构造器名			Constructor<?> con = demo2.getDeclaredConstructor(new Class[]{String.class,String.class,String.class,int.class});			System.out.println(con);			try {				Object obj1 = c1.newInstance(new Object[]{}); //创建一个实例				Object obj2 = con.newInstance(new Object[]{"20000001","李明","男",19}); //创建一个实例				System.out.println(obj1);				System.out.println(obj2);								demo1.getMethod("getInfo", null);			} catch (Exception e) {				e.printStackTrace();			} 		} catch (Exception e) {			e.printStackTrace();		}			}	}class Person{	private String sno ;	private String sname ;	private String sex ;	private int age;	public Person(String sno, String sname , String sex , int age){		this.sno = sno;		this.sname = sname;		this.sex = sex;		this.age = age;	}	public Person(){		this.sno = "unknow";		this.sname = "unknow";		this.sex = "unknow";		this.age = 0;	}		public void setSno(String sno){		this.sno = sno;	}		public void setSname(String sname){		this.sname = sname; 	}		public void setSex(String sex){		this.sex = sex;	}		public void setAge(int age){		this.age = age;	}		public String getSno() {		return sno;	}	public String getSname() {		return sname;	}	public String getSex() {		return sex;	}	public int getAge() {		return age;	}		public String getInfo(){		return "学号："+sno+"，姓名："+sname+"，性别："+sex+"，年龄:"+String.valueOf(age);	}		}