parameter passing - iphone pass values to the superclass from the subclass -

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hi, want pass string value superclass subclass without using object. can please help. know has [self superview]. please help

 class c1 {    string s1   -(void) m1    {    } }  class c2 {     // here want call m1 , pass values s1      // without creating object of class c1  }

they keyword communicate superclass super. can invoke methods on superclass this:

[super mymethod:someparameter];

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