Objects and members

[mickey]

Hi,
I have a class:

class myClass {
    int number;
    void incrNumber() {number++; }
    void something();
};
myclass c[3];
 
myClass::something() {
  //here i'd like make something such as myClass[3].incrNumber();
}

class myClass {
    int number;
    void incrNumber() {number++; }
    void something();
};
myclass c[3];

myClass::something() {
  //here i'd like make something such as myClass[3].incrNumber();
}

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Is there a way to modify the state of an instance of object only (and only one) from a method of myClass?
Thanks.