Java determines whether all member variables of an instance of an entity class object are empty

Source: Internet
Author: User

/*** Determine if all member variables of an entity class object instance are empty *@paramclass object instance of obj checksum *@returnList *@throwsException*/ Public StaticList<string> isobjectfieldempty (Object obj)throwsException {Class<?> Clazz=obj.getclass ();//Get Class objectField[] Fs=clazz.getdeclarefields ();//Get Property CollectionList<string> list=NewArraylist<string>();  for(Field Field:fs) {//Traverse PropertiesField.setaccessible (true);//setting properties can be accessed (private or Yes)     if(Field.get (obj) = =NULL|| Field.get (obj) = = "" "| |" Null. Equalsingnorecase (String) field.get (obj))) {String name=(String) field.getname ();   List.add (name); } }  returnlist;}

Java determines whether all member variables of an instance of an entity class object are empty

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