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2025-01-19 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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This article is about how to use the reflection mechanism to get the attribute types of this class in java, the editor thinks it is very practical, so I share it with you. I hope you can get something after reading this article. Let's take a look at it.
Public static void getObjectValue (Object object) throws Exception {Class clz = object.getClass (); / / gets all the attributes of the entity class and returns the Field array Field [] fields = clz.getDeclaredFields (); for (Field field: fields) {/ /-for () begin System.out.println (field.getGenericType ()) / / print all attribute types of this class if (field.getGenericType (). ToString (). Equals ("class java.lang.String")) {Method m = (Method) object.getClass () .getMethod ("get" + getMethodName (field.getName (); String val = (String) m.invoke (object); System.out.println ("String type:" + val) The first letter of a string is capitalized with the most efficient private static String getMethodName (String fildeName) throws Exception {byte [] items = fildeName.getBytes (); items [0] = (byte) ((char) items [0] -'a' +'A'); return new String (items) } the above is how to use the reflection mechanism in java to obtain the attribute types of this class. The editor believes that there are some knowledge points that we may see or use in our daily work. I hope you can learn more from this article. For more details, please follow the industry information channel.
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