Question

What is stream? Define input stream and output stream hierarchy in c++

Answer 1

The Stream Class Hierarchy. ... A C++ object is a specific variable having a class as its data type. cin and cout are special pre-specified objects with different classes as their data types.

Answer 2

$\bf \: Answer$

ᴛʜᴇ sᴛʀᴇᴀᴍs ᴄᴀɴ ʙᴇ ɪɴᴘᴜᴛ ᴏʀ ᴏᴜᴛᴘᴜᴛ sᴛʀᴇᴀᴍs. ᴛʜɪs ᴄʟᴀss ᴅᴇғɪɴᴇs ᴍᴇᴍʙᴇʀs ᴛʜᴀᴛ ᴀʀᴇ ɪɴᴅᴇᴘᴇɴᴅᴇɴᴛ ᴏғ ʜᴏᴡ ᴛʜᴇ ᴛᴇᴍᴘʟᴀᴛᴇs ᴏғ ᴛʜᴇ ᴄʟᴀss ᴀʀᴇ ᴅᴇғɪɴᴇᴅ. ɪsᴛʀᴇᴀᴍ ᴄʟᴀss − ᴛʜᴇ ɪsᴛʀᴇᴀᴍ ᴄʟᴀss ʜᴀɴᴅʟᴇs ᴛʜᴇ ɪɴᴘᴜᴛ sᴛʀᴇᴀᴍ ɪɴ ᴄ++ᴘʀᴏɢʀᴀᴍᴍɪɴɢ ʟᴀɴɢᴜᴀɢᴇ. ... ᴛʜᴇsᴇᴏᴜᴛᴘᴜᴛ sᴛʀᴇᴀᴍ ᴏʙᴊᴇᴄᴛs ᴀʀᴇ ᴜsᴇᴅ ᴛᴏ ᴡʀɪᴛᴇ ᴅᴀᴛᴀ ᴀs ᴀ sᴇǫᴜᴇɴᴄᴇ ᴏғ ᴄʜᴀʀᴀᴄᴛᴇʀs ᴏɴ ᴛʜᴇ sᴄʀᴇᴇɴ.

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