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this.super...

 
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Just wondering! why this.super is not allowed?
'this' refers to the current object, shouldn't 'this.super' refer to the base class.
 
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I think it would be redundant.

For example, when accessing a field, super.field works the same as explicitly casting "this" to its supertype, ((Supertype)this).field. (See JLS - 15.11.2.)
 
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