converting int to long

[Candy Bortniker]

I have a int total and a long text. I want to subtract text from total but I get a type mismatch error. I have tried to cast the long as a int but that gave me an error also. What do I need to do to fix this?

[Lalit K Kumar]

hi,
try this one out.
To convert long to int :-
total =total+Integer.parseInt(String.valueOf(text));
To convert int to long :-
text =text+Long.parseLong(String.valueOf(total));
regards,
lalit
[ February 26, 2004: Message edited by: Lalit K Kumar ]

[Howard Kushner]

Originally posted by Candy Bortniker:
I have a int total and a long text. I want to subtract text from total but I get a type mismatch error. I have tried to cast the long as a int but that gave me an error also. What do I need to do to fix this?

Candy,
What exactly is long text? I know what an int is. It is a 32 bit signed quantity that is defined as part of the Java(tm) language.
Please show us the declaration of the variable that is of type long text. Is it a long, a String, or perhaps a class that someone has defined?
Regards,

[Dirk Schreckmann]

Candy,
Don't be afraid to post relevant code examples to help explain your problems. Code can really help to explain problems at times.
If you do post a code example, please be sure to surround it with the [code] and [/code] UBB tags in order to help preserve formatting and readability.

[Candy Bortniker]

It is longtext. The variable is called text, the type is long.

[Ken Krebs]

Candy,
When you subtract "text" from "total", the result has type long and must be cast to int. I assume that's what you're trying to do.

        
    int total = 10000;
    long text = 1000;
    total = (int) (total - text);
    System.out.println("total = " + total);
    // prints "total = 9000"

A couple of points:
1. If you're going to do some totalizing, use the widest type of interest to do it so you don't potentially lose information, so make "total" a long.
2. Selecting a name "text" for a field of type long is a bad idea as it's very misleading.

[Layne Lund]

Originally posted by Lalit K Kumar:
hi,
try this one out.
To convert long to int :-
total =total+Integer.parseInt(String.valueOf(text));
To convert int to long :-
text =text+Long.parseLong(String.valueOf(total));
regards,
lalit
[ February 26, 2004: Message edited by: Lalit K Kumar ]

This seems like a very convoluted way to convert from one numeric type to another. You should use the cast operators instead:
To convert from int to long:
text = text + (long)total;
To convert from long to int:
total = total + (int)text;
Another solution is to just declare both variables as the same type.