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Incompatible types error

Thomas Kennedy
Ranch Hand

Joined: Jan 20, 2008
Posts: 137


getp.java:10: incompatible types
found : java.util.Enumeration<capture of ?>
required: java.util.Enumeration<java.lang.String>
Enumeration<String> e = p.propertyNames();

while this

compiles ok.

What is the problem?

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Jesper de Jong
Java Cowboy
Saloon Keeper

Joined: Aug 16, 2005
Posts: 14991

Class Properties was from before the time that generics were added to Java. So the method propertyNames() returns a raw Enumeration, and not an Enumeration<String>.

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subject: Incompatible types error
jQuery in Action, 3rd edition