Let's break down the code and analyze what it does: 1....
September 2, 2025 at 03:47 AM
Let's break down the code and analyze what it does:
-
double total = 25.5;
- This declares a variable
total
of typedouble
and assigns it the value25.5
.
- This declares a variable
-
int numScores = 3;
- This declares a variable
numScores
of typeint
and assigns it the value3
.
- This declares a variable
-
int ave = (int)total / numScores;
- Here are the steps to understand this line:
(int)total
casts thetotal
variable (which is of typedouble
) to anint
. This truncates thedouble
value, effectively discarding the decimal part. So,(int)25.5
becomes25
.- The result of the cast (
25
) is then divided bynumScores
(which is3
) using integer division because both operands are integers at this point. Integer division discards any remainder, so25 / 3
evaluates to8
(not8.333
since the fractional part is ignored). - The result of this division (
8
) is then assigned to theave
variable.
- Here are the steps to understand this line:
Final Result:
At the end of this code:
total
remains25.5
(adouble
).numScores
is3
.ave
is8
(the integer result of dividing25
by3
using integer division).
What this code does:
This code calculates the average of total
divided by numScores
, but it truncates the decimal part of total
before performing the division, resulting in an integer approximation of the average.
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