获取Student类Class对象的三种方式演示

package _5_31;

 

public class GetClass {

public static void main(String[] args) {

checkClass();

}

 

public static void checkClass() {

try {

System.out.println("使用对象的 getClass() 方法");

Student cla = new Student();

System.out.println(cla.getName());

 

System.out.println("使用类名 .class 方法");

Class<?> forClass = Student.class;

System.out.println(forClass.getName());

 

System.out.println("使用类名的静态方法");

Class<?> forName = Class.forName("code0508.Student");

System.out.println(forName.getName());

 

} catch (Exception e) {

e.printStackTrace();

}

}

}

 

class Student {

private int id;

private String name;

 

public Student() {

id = 0;

name = "default";

}

 

public String getName() {

return name;

}

}