An integer constant is a decimal number (base 10) that represents an integer value (the whole
number ).It comprises of the digits 0 to 9.If an integer constant begins with the letter 0x or 0X, it is
a hexadecimal(base 16) constant.If it begins with 0 then it is an octal (base 8) constant. Otherwise
it is assumed to be decimal.
Integer constants are positive unless they are preceded by a minus sign and hence -16 is also a
valid integer constant.Special characters are not allowed in an integer constants.The constants
2,654 is an invalid integer constant because it contains the special character.
number ).It comprises of the digits 0 to 9.If an integer constant begins with the letter 0x or 0X, it is
a hexadecimal(base 16) constant.If it begins with 0 then it is an octal (base 8) constant. Otherwise
it is assumed to be decimal.
- 64, 73,and 387 are decimal constants
- 0x1C, 0xAB, and 0x23 are hexadecimal constants
- 032, 065, 064 are octal constants
Integer constants are positive unless they are preceded by a minus sign and hence -16 is also a
valid integer constant.Special characters are not allowed in an integer constants.The constants
2,654 is an invalid integer constant because it contains the special character.
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