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Spring Framework - org.springframework.core.env.PropertySource Examples

[Last Updated: Nov 8, 2025]

Spring Framework 

Showing how to use PropertySource which is an abstract class. The property source which has a name and a source of key/value pairs could be system, environmental or application provided properties. 

    private static void printSources (ConfigurableEnvironment env) {
        System.out.println("-- property sources --");
        for (PropertySource<?> propertySource : env.getPropertySources()) {
            System.out.println("name =  " + propertySource.getName() + "\nsource = " + propertySource
                                .getSource().getClass()+"\n");
        }
    }
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