Java鍙嶅皠鏈哄埗
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鐒跺悗鎴戜滑閫氳繃main鏂规硶绫昏繘琛屽弽灏勬満鍒剁殑瀹炵幇package priv.darrenqiao.reflection;
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package priv.darrenqiao.reflection;
/*
* @Author : darrenqiao
* */
public class ReflectionClass {
public String name;
public Integer age;
private String result;
public void testName() {
}
public ReflectionClass(String result) {
super();
this.result = result;
}
public void show(String test) {
System.out.println("show result " + this.result + " and " + test);
}
public void testAge() {
}
}
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/*
* @Author : darrenqiao
* */
public class Main {
public static void main(String[] args) throws ClassNotFoundException, NoSuchMethodException, SecurityException, InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
銆€銆€銆€銆€銆€//鑾峰彇绫?/span>鏂规硶涓€
ReflectionClass reflection = new ReflectionClass("success");
Class<?> classInfoForReflection = reflection.getClass();
//鑾峰彇绫?/span>鏂规硶浜? //Class<ReflectionClass> classInfoForReflection = ReflectionClass.class;
//鑾峰彇绫?/span>鏂规硶涓夛紝姣旇緝甯哥敤鐨勬槸杩欑锛屽洜涓哄悗闈㈢殑绫诲叏璺緞鍙互浣滀负閰嶇疆椤规斁鍒伴厤缃枃浠朵腑鍔ㄦ€佺殑鑾峰彇
//Class<?> classInfoForReflection = Class.forName("priv.darrenqiao.reflection.ReflectionClass");
Method[] methods = classInfoForReflection.getMethods();
System.out.println("methods for class classInfoForReflection is");
for (Method m : methods) {
System.out.println(m.getName());
}
//閫氳繃鏋勯€犲嚱鏁颁紶鍙傛暟
Class<ReflectionClass> classInfoForReflectionClass = ReflectionClass.class;
Constructor<?> c = classInfoForReflectionClass.getConstructor(String.class);
Object reflectionObject = (Object) c.newInstance("failed");
//鎵ц鎸囧畾鍑芥暟
Method method = classInfoForReflectionClass.getMethod("show", String.class);
method.invoke(reflectionObject, "test final");
}
}
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