我刚刚发现，你可以在C++中做到这一点： class Line
{
public:
Line(int x) : _length(x) {}
int GetLength() { return _length; }
private:
int _length;
};
int main()
{
Line* line = new Line(3); //
我试图在2GB RAM的SSD机器上运行elasticsearch时继续出现跟随错误。 elasticsearch[1234] : # There is insufficient memory for the Java Runtime Environment to continue.
elasticsearch[1234] : # Native memory allocation (mmap)
请采取以下代码。 #include "iostream"
using namespace std;
unsigned power(unsigned b, unsigned e){return e?b*power(b, e-1):1;}//Raises base b to a power e
int main(int argc, char* argv[])
{const unsigned l