SpEL is an abbreviation of Spring Expression Language which can be used to query property value from a properties file (Use $), or manipulate java objects and it’s attributes at runtime( Use #). Both of the two modifiers ($ or # ) can be used in the spring XML configuration files directly or can be …
If you want to save configuration data in an external properties file, and then read them in the spring application, you can use PropertyPlaceholderConfigurer class. This class has a location attribute where you can specify the external properties file location. It then can read the data from the external properties file, and you can use …
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