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declaring instance of class c++

By Inquisitive IbisInquisitive Ibis on Jan 07, 2021
#include <iostream>     
using namespace std;

class Foo
 {
   public:
   Foo ( )
   {
      cout << "constructor Foo\n";
   }               
};

class Bar
 {
   public:
   Bar ( Foo )
   {
      cout << "constructor Bar\n";
   }
};

int main()
{
   /* 1 */ Foo* foo1 = new Foo ();
   /* 2 */ Foo* foo2 = new Foo;
   /* 3 */ Foo foo3;
   /* 4 */ Foo foo4 = Foo::Foo();

   /* 5 */ Bar* bar1 = new Bar ( *new Foo() );
   /* 6 */ Bar* bar2 = new Bar ( *new Foo );
   /* 7 */ Bar* bar3 = new Bar ( Foo foo5 );
   /* 8 */ Bar* bar3 = new Bar ( Foo::Foo() );

   return 1;
}

Source: stackoverflow.com

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1

classes c++

By Proud PantherProud Panther on Aug 01, 2020
class Rectangle {
    int width, height;
  public:
    void set_values (int,int);
    int area (void);
} rect;

Source: www.cplusplus.com

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3

classes c++

By Proud PantherProud Panther on Aug 01, 2020
class class_name {
  access_specifier_1:
    member1;
  access_specifier_2:
    member2;
  ...
} object_names;

Source: www.cplusplus.com

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1

create class instance c++

By Curious CockroachCurious Cockroach on Mar 06, 2021
MyClass* MyObject = new MyClass();

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0

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