Java内容重新整理删除过期的东西

Java/JavaDemo/codedemo/java/lang/reflect/CreateInstance.java

@@ -0,0 +1,36 @@
+package cn.aofeng.demo.java.lang.reflect;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+
+import cn.aofeng.demo.util.LogUtil;
+
+/**
+ * 通过反射使用构造方法创建对象实例。
+ * 
+ * @author <a href="mailto:aofengblog@163.com">聂勇</a>
+ */
+public class CreateInstance {
+
+    public static void main(String[] args) throws InstantiationException, IllegalAccessException, 
+            NoSuchMethodException, SecurityException,
+            IllegalArgumentException, InvocationTargetException {
+        Class<Man> claz = Man.class;
+        
+        // 调用默认的public构造方法
+        Man man = claz.newInstance();
+        LogUtil.log(man.toString());
+        
+        // 调用带参数的protected构造方法
+        Constructor<Man> manC = claz.getDeclaredConstructor(String.class);
+        man = manC.newInstance("aofeng");
+        LogUtil.log(man.toString());
+        
+        // 调用带参数的private构造方法
+        manC = claz.getDeclaredConstructor(String.class, int.class);
+        manC.setAccessible(true);
+        man = manC.newInstance("NieYong", 32);
+        LogUtil.log(man.toString());
+    }
+
+}