Java通过反射机制获取Class对象

Java反射机制四种获取Class对象的方法

package com.ljq.test;

 import java.lang.reflect.Field;
 import java.util.Currency;

 /**
 * Java反射机制四种获取Class对象的方法
 * 
 * @author jiqinlin
 * 
 */
 public class GetClassTest {
    public static void main(String[] args) {
        new GetClassTest().checkClass();
    }

    public boolean checkClass() {
        try {
            System.out.println("1、通过类本身获得对象");
            Class clazz = this.getClass();
            System.out.println(clazz.getName());
            System.out.println("==============");

            System.out.println("2、通过子类的实例获得父类对象");
            Customer customer = new Customer();
            clazz = customer.getClass();
            System.out.println(clazz.getSuperclass().getName());
            System.out.println("==============");

            System.out.println("3、通过类名.class获取对象");
            Class forClass = com.ljq.test.GetClassTest.class;
            System.out.println(forClass.getName());
            System.out.println("==============");

            System.out.println("4、通过类名的字符串获取对象");
            Class forName = Class.forName("com.ljq.test.GetClassTest");
            System.out.println(forName.getName());
            System.out.println("=============");

        } catch (Exception e) {
            return false;
        }
        return true;
    }
}

Customer类

package com.ljq.test;

 public class Customer {
    private Long id;
    private String name;
    private int age;

    public Customer() {
    }

    public Customer(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    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;
    }
}