In this tutorial, we will discuss about exception in object "main" java.util.InputMismatchException.

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What reasons java.util.InputMismatchException?

A Scanner throws this exception to suggest that the token retrieved does not match the expected form pattern, or the the token is the end of selection for the expected type.

In much easier terms, you will generally get this error as soon as user intake or document data carry out not complement with intended type.

Let’s know this with the assist of straightforward example.


Enter any kind of integer: NAException in thread “main” java.util.InputMismatchException at java.base/java.util.Scanner.throwFor(Scanner.java:939) at java.base/java.util.Scanner.next(Scanner.java:1594) at java.base/java.util.Scanner.nextInt(Scanner.java:2258) at java.base/java.util.Scanner.nextInt(Scanner.java:2212) in ~ org.arpit.incubadoradeartistas.com.ReadIntegerMain.main(ReadIntegerMain.java:13)

As you have the right to see, we space getting exemption in thread "main" java.util.InputMismatchException for input int due to the fact that user entry NA is String and also does not enhance with meant input Integer.

Hierarchy the java.util.InputMismatchException

InputMismatchException extend NoSuchElementException i beg your pardon is used to represent that request element is no present.


NoSuchElementException course extends the RuntimeException, so that does not should be asserted on compile time.

Here is a diagram for power structure of java.util.InputMismatchException.

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Constructor that java.util.InputMismatchException

There are two constructors exist because that java.util.InputMismatchException

InputMismatchException(): creates an InputMismatchException through null as its error message string.InputMismatchException​(String s): creates an InputMismatchException, saving a recommendation to the error post string s for being successful retrieval by the getMessage() method.

How to solve java.util.InputMismatchException?

In stimulate to deal with this exception, you should verify the input data and also you should fix it if you want application come proceed further correctly. This exemption is usually caused due to bad data either in the paper or user input.

See more: How To Fix Error Message " Endscreen Element Must Start After Allowed Time

That’s all about how come fix exemption in object "main" java.util.InputMismatchException.


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Arpit Mandliya


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