C++ Basics Tutorial 5. Constants. Literal Constants Defined Constants Declared Constants. Topics Covered. Most easy to see and most obvious constants. Literal constants. Integer Numerals Floating-Point Numerals Boolean literals Character literals String literals.
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All represent same numberInteger Numerals
5.97e24(Mass of earth) = 5.97 x 10 ^ 24
or 1.67e-27(Mass of proton) = 1.67 x 10 ^ -27
#define PI 3.14159
#define NEWLINE ‘\n’
constint a = 23;
const char newline = ‘\n’