package Java反射;public class 普通类 { public void sys(){ System.out.println("1"); } public void sys(String s) { System.out.println("2"); }}
package Java反射;public class 还是普通类 { int a ; public 还是普通类(int a) { this.a = a; } public void sys() { System.out.println("3"); }}
package Java反射;import java.lang.reflect.InvocationTargetException;import java.lang.reflect.Method;public class 反射类 { public Object fs() throws Exception { Object obj = Class.forName("Java反射.普通类").newInstance(); Method me = obj.getClass().getMethod("sys"); me.invoke(obj); Method met = obj.getClass().getMethod("sys", String.class); met.invoke(obj, "1"); return obj; } public void fs1() throws Exception { Object obj = Class.forName("Java反射.还是普通类").getConstructor(int.class).newInstance(1); Method me = obj.getClass().getMethod("sys"); me.invoke(obj); }}
package Java反射;public class 测试类 { public static void main(String[] args) throws Exception { 反射类 f = new 反射类() ; f.fs(); f.fs1(); }}
执行结果
1
2
3
转载于:https://www.cnblogs.com/xiaosuye/p/9652591.html
