I declared two Strings as below and initialise them as blank but in output one vale is blank and other show null.
String insert_brand_from_table="",insert_model_from_table="";
System.out.println("brand: "+insert_brand_from_table);
System.out.println("model: "+insert_model_from_table);
But output is :
brand:
model: null
Now the null value of model showing null pointer exception error when i try to save model as blank into database.