http://www.verejava.com/?id=16995163767837
package com.reflect; import java.lang.reflect.Constructor; import java.lang.reflect.Field; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.lang.reflect.Modifier; import java.lang.reflect.TypeVariable; public class TestMethod { /** * * @param args */ public static void testGetMethods() { try { Class c=Class.forName("com.entity.Student"); Method[] methods=c.getMethods(); for(Method method:methods) { System.out.println(method.getModifiers()); System.out.println(method.getName()); } } catch (ClassNotFoundException e) { e.printStackTrace(); } } public static void testGetDeclaredMethods() { try { Class c=Class.forName("com.entity.Student"); Method[] methods=c.getDeclaredMethods(); for(Method method:methods) { System.out.println(method.getModifiers()); System.out.println(method.getName()); } } catch (ClassNotFoundException e) { e.printStackTrace(); } } public static void testInvoke() { try { Class c=Class.forName("com.entity.Student"); Object obj=c.newInstance(); Method method=c.getMethod("setName",new Class[]{String.class}); method.invoke(obj,new Object[]{"王浩"}); method=c.getMethod("getName",null); System.out.println(method.invoke(obj, null)); } catch (Exception e) { e.printStackTrace(); } } public static void testInvokePrivate() { try { Class c=Class.forName("com.entity.Student"); Object obj=c.newInstance(); Method method=c.getDeclaredMethod("getHello",null); method.setAccessible(true); System.out.println(method.invoke(obj, null)); } catch (Exception e) { e.printStackTrace(); } } public static void main(String[] args) { testInvokePrivate(); } } package com.entity; public class Student { private String name; private int age; public Student() { super(); System.out.println("student"); } public Student(String name, int age) { super(); this.name = name; this.age = age; System.out.println(this.name+","+this.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; } private String getHello() { return "hello"; } }http://www.verejava.com/?id=16995163767837
