java反射机制,动态加载
Dynamic.java
1 package demo_Test; 2 3 import java.lang.reflect.Method; 4 import java.util.Scanner; 5 6 /** 7 * @author Zhang 8 * 反射,动态加载类 9 */ 10 public class Dynamic { 11 public static void main(String[] args) throws Exception { 12 Scanner sc = new Scanner(System.in); 13 System.out.println("输入类名:"); 14 String className = sc.nextLine(); 15 // 动态加载类 16 Class cls = Class.forName(className); 17 // 动态获取全部方法信息 18 Method[] methodAry = cls.getDeclaredMethods(); 19 // 迭代全部方法查找以test为开头的方法 20 for(Method method : methodAry) { 21 if(method.getName().startsWith("test")) { 22 System.out.println(method); 23 } 24 } 25 } 26 }
Method.java
1 package demo_Test; 2 3 /** 4 * @author Zhang 5 * 6 */ 7 public class Method { 8 public void test1() { 9 10 } 11 12 public void test2() { 13 14 } 15 16 public void test3() { 17 18 } 19 20 public void endtest() { 21 22 } 23 24 }
运行结果: