evaluate expression in java [closed]
I think you are looking for a double.
types
Can I use the result of a comparison as an integer in C++?
Yes, C++ has implicit casting from bool to int. However, I would suggest you make this a bit more clear that this is your actual intention, so that future readers understand your intent. Explicitly cast it to an int first. int var = 0; for (i = 0; i < 20; i++) { var += … Read more
JAVA variable as 2 types [closed]
Java does not support union types; however, both of these types share the same base Object class, so you could assign either one of them to a variable defined like this Object something; something = “Hello World!”; something = new ArrayList(); // this is a collection. Odds are that you probably were thinking of a … Read more
How I can correct my c code?
this works perfectly in my environment! #include <stdio.h> #include <stdlib.h> int main() { int error = 1; float correction = 0.1; printf(“error =%d\n”, error); printf(“correction=%0.1f\n”, correction); }
c++ Making a code that displays equations and keep getting the “expression must have integral or unscoped enum type” error
The issue is related to the modulo operator which expects a binary expression of two integers. I’d suggest reading up a little on the rules of modulo and finding a way to adjust your code. Here is an answer about this and a suggestion how to go about fixing this error. Why does modulus division … Read more
What is the difference between String and string in C#?
string is an alias in C# for System.String. So technically, there is no difference. It’s like int vs. System.Int32. As far as guidelines, it’s generally recommended to use string any time you’re referring to an object. e.g. string place = “world”; Likewise, I think it’s generally recommended to use String if you need to refer … Read more