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Authors:
Walter Savitch ,julia Lobur
Chapter:
I/o Streams As An Introduction To Objects And Classes
Exercise:
Self-test Exercises
Question:24 | ISBN:9780321531346 | Edition: 7

Question

(This question is for those who have read the optional section “The putback Member Function.”) The putback member function “puts back” a symbol into an input stream. Does the symbol that is put back have to be the last symbol input from the stream? For example, if your program reads an 'a' from the input stream, can it use the putback function to put back a 'b',or can it only put back an 'a'?

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