Text Input Validation for dicajytuh.web.fc2.computDialog

I am trying to make a JOptionPane get an input and assign it to an int but I am getting some problems with the variable types. You cannot cast a String to an int , but you can convert it using Integer. This because the input that the user inserts into the JOptionPane is a String and it is stored and returned as a String.

Java cannot convert between strings and number by itself, you have to use specific functions, just use:. Please note that Integer. By posting your answer, you agree to the privacy policy and terms of service.

1 can i make a dicajytuh.web.fc2.computDiolog only accept a number as a response? : javahelp

Stack Overflow Questions Developer Jobs Documentation beta Tags Users. Sign up or log in to customize your list.

Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us.

Log In Sign Up. Join the Stack Overflow Community.

Stack Overflow is a community of 7. Join them; it only takes a minute: JOptionPane Input to int Ask Question.

I am trying something like this: Exception in thread "main" java. String cannot be cast to java.

Integer Which sounds logical yet, I cannot think of another way to make this happen. But, you are correct in some cases.

Ready-Made Java 2 Application for File Maintenance - 2nd Edition - Emilio Aleu - Google Livres

I see I see. If I may ask one more thing, is there a way, using a loop maybe, to check if the input given actually is an integer or not? Oh nevermind, I got it! Java cannot convert between strings and number by itself, you have to use specific functions, just use: I understand, thank you!

Davy Meers 1, 13 8. Sign up or log in StackExchange. Sign up using Facebook. Sign up using Email and Password.

Post as a guest Name. Stack Overflow works best with JavaScript enabled. Thanks in advance java swing user-input int joptionpane share improve this question. MathOverflow Mathematics Cross Validated stats Theoretical Computer Science Physics Chemistry Biology Computer Science Philosophy more 3. Meta Stack Exchange Stack Apps Area 51 Stack Overflow Talent.