spring get properties difference

Question

Import properties

What are the three differences?

1. Reading property files using PropertyPlaceholderConfigurer

2. Reading property files using [context:property-placeholder]

3. Reading properties file using [util: properties] and Spring EL

Answer 1

1. PropertyPlaceholderConfigurer class pulls values from a properties file into bean definitions.

2. <context:property-placeholder ... /> is a XML equivalent to the PropertyPlaceholderConfigurer.

3. <util:properties/> is equivalent to java.util.Properties

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