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package reflect;
//获取Class方式一：通过java虚拟机提供的输出Xxx.class获取
public class GetClassDemo1 {
public static void main(String[] args) {
Class clazz = Person.class;// 每个类都有的属性，是java虚拟机给的
System.out.println(clazz);// 输出class reflect.Person
}
}
// Person类
class Person {
private String name;
private int age;
public Person() {
super();
// TODO Auto-generated constructor stub
}
public Person(String name, int age) {
super();
this.name = name;
this.age = age;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
}
===================================================================================
package reflect;
//获取Class方式三：通过类的getClass()方法创建Class实例
public class GetClassDemo2 {
public static void main(String[] args) {
Student stu = new Student();
Class clazz = stu.getClass();// 通过类的getClass()方法创建Class实例
System.out.println(clazz);// 输出class reflect.Person
}
}
// Employee类
class Employee {
private String name;
private int age;
public Employee() {
super();
// TODO Auto-generated constructor stub
}
public Employee(String name, int age) {
super();
this.name = name;
this.age = age;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
}
====================================================================================
package reflect;
//获取Class方式三：Class.forName()方法创建Class实例
public class GetClassDemo3 {
public static void main(String[] args) throws ClassNotFoundException {
// Class.forName()括号里面的实际类的路径：起始于包名名终止于类名
String classpath = "reflect.Student";
/*
* 通过Class提供的forName()方法创建 注意：①需要提供实例类的路径classpath ②会抛出异常(此处本人直接抛出不做处理)
*/
Class clazz = Class.forName(classpath);
System.out.println(clazz);// 输出class reflect.Person
}
}
// Student类
class Student {
private String name;
private int age;
public Student() {
super();
// TODO Auto-generated constructor stub
}
public Student(String name, int age) {
super();
this.name = name;
this.age = age;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
}