To perform stream I/O with disk files in C++, you should

-open and close files as in procedural languages.
-use classes derived from ios.
-use C language library functions to read and write data.
-include the IOSTREAM.H header file.

• include the IOSTREAM.H header file.
• 11 years agoHelpfull: Yes(1) No(0)
• Use classes derived from ios.
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• option 2) use classes derived from ios
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