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c++ equivalent to java's static class members
Discuss c++ equivalent to java's static class members in the C Programming forum on Dev Shed.
c++ equivalent to java's static class members C programming forum discussing all C derivatives, including C#, C++, Object-C, and even plain old vanilla C. These languages are low level languages, and used on projects such as device drivers, compilers, and even whole computer operating systems.
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March 2nd, 2002, 02:35 PM
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Junior Member
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Join Date: Feb 2002
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c++ equivalent to java's static class members
Hi,
in java, it's possible to declare a class member - be it a function or a variable - as static, thus creating a member that, e.g, holds the same value regardless of instantiation. It is not a constant though, as it stays accessible for all instances of the class which, in case it is a variable, may change it.
I am learning c++ and bought a book which doesn't mention anything like static class members.
Is there or is there not an equivalent construct in c++?
any answers appreciated
costas
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March 2nd, 2002, 04:07 PM
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Banned ;)
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Join Date: Nov 2001
Location: Woodland Hills, Los Angeles County, California, USA
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Yes there is and it's declared using the keyword static as well. Here's some sample code using a static variable.
Code:
#include <iostream>
class test {
static int counter;
public:
int getcount() { return counter;}
test();
};
int test::counter = 0;
test::test() {
counter++;
}
int main(void) {
test foo, bar;
cout << foo.getcount() << "\n";
}
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March 2nd, 2002, 04:51 PM
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Junior Member
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Join Date: Feb 2002
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hey, thanks a lot. 
so, it's more or less identical to the java syntax. I guess, it's the same with functions?
BTW, this makes me feel bad about the quality of the book I bought. I mean, it does focus mainly on developement under Linux with c++, but it explains the syntax in detail...or so I thought. 
one more time, thanks, however
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