Different Ways of Loading Properties Files in Java

Method	Parameter format	Lookup failure behavior	Usage example
ClassLoader. getResourceAsStream()	"/"-separated names; no leading "/" (all names are absolute)	Silent (returns null)	this.getClass(). getClassLoader() .getResourceAsStream ("some/pkg/resource.properties")
Class. getResourceAsStream()	"/"-separated names; leading "/" indicates absolute names; all other names are relative to the class's package	Silent (returns null)	this.getClass() .getResourceAsStream ("resource.properties")
ResourceBundle. getBundle()	"."-separated names; all names are absolute;.properties suffix is implied	Throws unchecked MissingResourceException	ResourceBundle. getBundle("some.pkg.resource")

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