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static member data and static member functions

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

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	`1`	`+#include <iostream>`
	`2`	`+`
	`3`	`+using namespace std;`
	`4`	`+`
	`5`	`+class Test`
	`6`	`+{`
	`7`	`+ private:`
	`8`	`+ int a;`
	`9`	`+ int b;`
	`10`	`+ public:`
	`11`	`+ static int counter;`
	`12`	`+ Test(): a(12), b(45)`
	`13`	`+ {`
	`14`	`+ counter++;`
	`15`	`+ }`
	`16`	`+`
	`17`	`+ static int getCounter()`
	`18`	`+ {`
	`19`	`+ return counter;`
	`20`	`+ }`
	`21`	`+`
	`22`	`+};`
	`23`	`+`
	`24`	`+int Test::counter;`
	`25`	`+`
	`26`	`+int main(void)`
	`27`	`+{`
	`28`	`+ Test t1;`
	`29`	`+ cout<<t1.counter<<endl;`
	`30`	`+`
	`31`	`+ Test t2;`
	`32`	`+ cout<<Test::counter<<endl;`
	`33`	`+`
	`34`	`+ cout<<t1.getCounter()<<"\t\t"<<Test::getCounter();`
	`35`	`+`
	`36`	`+`
	`37`	`+ return 0;`
	`38`	`+}`

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