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why this is not working(subclass to superclass).

Ritesh raushan
Ranch Hand

Joined: Aug 29, 2012
Posts: 100
at compile time gives error.but i think that Object is a super class he takes all sub class object .

error-
method set in class Manager cannot be applied to given types;
m.set("ritesh");
^
required: Object
found: String
reason: actual argument String cannot be converted to Object by method invocation conve
rsion

Matthew Brown
Bartender

Joined: Apr 06, 2010
Posts: 4388
    
    8

The most likely explanation is you actually have your own Object class hanging around somewhere in the same package (either as source code or a compiled code). If you can't find it, try changing all the references to java.lang.Object and see if that changes the result.

 
It is sorta covered in the JavaRanch Style Guide.
 
subject: why this is not working(subclass to superclass).