Given four files named asiasales2009.txt, europesales2009.txt, africasales2009.txt, latinamericasales2009.txt, define four ofstream objects named asia, europe, africa, and latin, and use them, respectively, to open the four files for writing.

ofstream asia("asiasales2009.txt");  //It is used to open asiasales2009.txt files with the asia objects.

ofstream europe("europesales2009.txt");  //It is used to open  europesales2009.txt files with the europe objects.

ofstream africa("africasales2009.txt"); //It is used to open africasales2009.txt files with the africa objects.

ofstream latin("latinamericasales2009.txt");//It is used to open latinamericasales2009.txt files with the latin objects.

Explanation:

              ofstream object("file_name_with_extension");

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