SOLID:SRP intro

README.md

@@ -1,7 +1,7 @@
 # This is repo for udemy cpp tasks and exercies
 # v 0.01
 
-# vs_code launch.json contents for lld debug
+# vs_code launch.json contents for lldb debug
 
 ```bash
 {

design_patterns/solid.cpp

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+// ---- single responsibility principle (SRP)
+class book{}; // this class is responsible for storing information about a book
+class magazine{}; // this class is responsible for storing information about a magazine
+class printer{}; // this class is responsible for printing, it should not know anything about books or magazines
+// every class should have only one responsibility
+
+// ---- open-closed principle (OCP)
+// ---- Liskov substitution principle (LSP)
+// ---- interface segregation principle (ISP)
+// ---- dependency inversion principle (DIP)