declaring instance of class c 2b 2b

1#include <iostream>     
2using namespace std;
3
4class Foo
5 {
6   public:
7   Foo ( )
8   {
9      cout << "constructor Foo\n";
10   }               
11};
12
13class Bar
14 {
15   public:
16   Bar ( Foo )
17   {
18      cout << "constructor Bar\n";
19   }
20};
21
22int main()
23{
24   /* 1 */ Foo* foo1 = new Foo ();
25   /* 2 */ Foo* foo2 = new Foo;
26   /* 3 */ Foo foo3;
27   /* 4 */ Foo foo4 = Foo::Foo();
28
29   /* 5 */ Bar* bar1 = new Bar ( *new Foo() );
30   /* 6 */ Bar* bar2 = new Bar ( *new Foo );
31   /* 7 */ Bar* bar3 = new Bar ( Foo foo5 );
32   /* 8 */ Bar* bar3 = new Bar ( Foo::Foo() );
33
34   return 1;
35}
36

1class Rectangle {
2    int width, height;
3  public:
4    void set_values (int,int);
5    int area (void);
6} rect;

1MyClass* MyObject = new MyClass();