- If any data changes frequently in a out program, we should keep that in properties file so that we would not be required do code changes again.
- Properties Class also hold key value pair just like HashMap but the only difference is it stories only key and values of String type
Methods :
- String getProperty(String propertyName)
- If no such property then it returns null
- String setProperty(String propertyName,String propertyValue)
- The specified property already available then the old value will be replaced with new value and old value will be returned
- Enumeration propertyNames()
- void load(InputStream is)
- Loading of properties file
- void store(OutputStream os,String comment)
- Store data into properties file
Example :
