Why is this code an infinite while loop?

[eternal olive]

<@&987246399047479336> please have a look, thanks.

[pure plover]

 private static int integerInputManager()
    {
        int returnValue = -1;
        while(returnValue<1 || returnValue>50)
        {
            try {
                System.out.println("Please enter a value between 1 and 50.");
                returnValue = sc.nextInt();
                if(returnValue<1 || returnValue>50)
                {
                    System.out.println("Your entry is out of range.");
                }
            }catch (InputMismatchException e){
                System.out.println("Please enter a correct value");
            }


        }
        return returnValue;
    }

[eternal olive]

Detected code, here are some useful tools:

System out

[Nothing]

[pure plover]

from how i interpret it it should go back and give input

but it just skips over the input

this is if i input non numerical symbols

number input works

[gloomy breach]

If they don't enter a number (Or the buffer doesn't currently contain a number), then it will just constantly get InputMismatchException without waiting for use input.

You should use .nextLine() for line-based input (from a user) and then parse/validate the result.

eg Integer.parseInt(sc.nextLine()) and catch the NumberFormatException.