Commit b2b9fae

committed

Inner/Nested classes

1 parent 9d2f144 commit b2b9faeCopy full SHA for b2b9fae

File tree

+42

-0

lines changed

Learn_CPP_Programming_Deep_Dive/Section 16 Friend and static members/Inner_nested_class
- main.cpp

+42

-0

lines changed

Lines changed: 42 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,42 @@`
	`1`	`+#include <iostream>`
	`2`	`+`
	`3`	`+using namespace std;`
	`4`	`+`
	`5`	`+class Outer`
	`6`	`+{`
	`7`	`+ public:`
	`8`	`+ int a;`
	`9`	`+ static int b;`
	`10`	`+`
	`11`	`+ void preview()`
	`12`	`+ {`
	`13`	`+ cout<<"i="<<i.x<<endl;`
	`14`	`+ cout<<Outer::b<<endl;`
	`15`	`+ i.show();`
	`16`	`+ }`
	`17`	`+`
	`18`	`+ class Inner`
	`19`	`+ {`
	`20`	`+ public:`
	`21`	`+ int x = 45;`
	`22`	`+ void show()`
	`23`	`+ {`
	`24`	`+ cout<<"Hakunamatata"<<endl;`
	`25`	`+ }`
	`26`	`+ };`
	`27`	`+`
	`28`	`+ Inner i;`
	`29`	`+};`
	`30`	`+`
	`31`	`+int Outer::b = 1978; // declare the static variable as a global variable , but only accessible through the scope resolution operator in the target class`
	`32`	`+`
	`33`	`+int main(void)`
	`34`	`+{`
	`35`	`+ Outer o;`
	`36`	`+ o.preview();`
	`37`	`+`
	`38`	`+ Outer::Inner i;`
	`39`	`+ i.show();`
	`40`	`+`
	`41`	`+ return 0;`
	`42`	`+}`

Comments

(0)