java 反照（reflect）总结

java 反射（reflect）总结。

/** * method方法执行 * @author Morgan * */public class TestMethodInvoke {public static void main(String[] args) {String testStr = "testStr";  Method method = null;try {method = String.class.getMethod("charAt", new Class[]{int.class});} catch (SecurityException e1) {e1.printStackTrace();} catch (NoSuchMethodException e1) {e1.printStackTrace();} try {Object ch = method.invoke(testStr, 1);System.out.println(ch);} catch (IllegalArgumentException e) {e.printStackTrace();} catch (IllegalAccessException e) {e.printStackTrace();} catch (InvocationTargetException e) {e.printStackTrace();}}}

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