java反射_JAVA_编程开发_程序员俱乐部

Class
Class cls01 = User.class;
Class cls02 = user.getClass();
Class cls03 = Class.forName(path);

cls01.getName package

基本类型 9=8+1
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Field
Field f01 = cls.getField("uname");
Field f02 = cls.getDeclearedField("pwd");

field[] fs = cls.getFields();

f01.set(obj,value);
f01.get(obj);

f.get(cls);

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Method
Method m = cls.getMethod("sayHello",int.class,String.class);
m.invoke(obj,12345,"12345");

m1.invoke(cls);
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constructor
Constructor con = cls.getConstructor(String.class);
Object obj = con.newInstance(null);