update

basic_content/static/static_error_variable.cpp

@@ -0,0 +1,26 @@
+// variables inside a class 
+
+#include<iostream> 
+using namespace std; 
+
+class Apple 
+{ 
+    public: 
+        static int i; 
+
+        Apple() 
+        { 
+            // Do nothing 
+        }; 
+}; 
+
+int main() 
+{ 
+    Apple obj1; 
+    Apple obj2; 
+    obj1.i =2; 
+    obj2.i = 3; 
+
+    // prints value of i 
+    cout << obj1.i<<" "<<obj2.i; 
+}