Answer / ritesh pal

Message:

Objects communicate by sending messages to each other.

A message is sent to invoke a method.

Method:

Provides response to a message.

It is an implementation of an operation.

this is to swap to strings....but in output the whole strings are swapped leaving first as it is...why it is so #include<iostream.h> int main() { char a[]="ajeet"; char b[]="singh"; long x=*a; long y=*b; cout<<x<<":"<<y; x=x+y; y=x-y; x=x-y; *a=x; *b=y; cout<<x<<":"<<y; cout<<&a<<endl; cout<<&b<<endl; }

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