type variable_name = initial_value
int a, b, c; // 3 uninitialzied integer variables float r1 = 0.25, r2 = 10.0; // 2 initialized float variables(NOTE: semi-colon is used to terminate a variable definition)
The compiler must make sure that it can find the variable back...
....size information is conveyed in the type of the variable.
....location information is obtained when the compiler found unused memory space for a variable