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Which is better of these two class diagrams calculator ?

behnam farhadi

I'm a novice programmer i draw two class diagrams for calculator Project, i want you to check each one of them and tell me which one is better and also, i would appreciate it if you point out the parts that are wrong or could be better.

https://s8.postimg.org/5l3953cgl/Class78.jpg

https://s7.postimg.org/rd3jtyzhn/class2.png

1 Reply

Know the answer? Post it — somebody with the same question will find it here.

Vinay Singh10y ago
Hi
https://s7.postimg.org/rd3jtyzhn/class2.png
the above link is the better one. region it's simple to understnad and easy to implement.
+1