package set;
public class Person {
private String name;
private int age;
// 创建构造方法,在new时就给属性传值
public Person() {
}
public Person(String name, int age) {
this.name = name;
this.age = age;
}
@Override
public String toString() {
return this.name + " " + this.age;
}
}
package test0812;
//使用java反射获取类的对象(调用无参构造方法创建实例对象)
class B {
public String name;
private int age;
public void say() {
}
public int jia(int num1, int num2) {
return num1 + num2;
}
}
public class Test03 {
public void createObj(String className) {
// 通过java反射获取B类的对象
try {
Class clazz = Class.forName(className);
// 使用java反射获取类的对象
Object obj = clazz.newInstance();//调用的是无参构造方法
System.out.println(obj); //test0812.B@15db9742
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
Test03 t = new Test03();
t.createObj("test0812.B");
}
}
