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Questions tagged [inputmismatchexception]

Use this tag on questions regarding input mismatch exceptions that occur when using the `Scanner` object.

The InputMismathException is a Java I/O exception that is thrown when the Scanner object encounters an input which it does not expect. An example would be expecting a double, but receiving a String token instead. This is a runtime exeception that inherits from NoSuchElementException.

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Why am I getting InputMismatchException to read with nextFloat?

This code have no syntax error, but gets InputMismatchException when I put the float value. Double value instead float gets the same exception. If I enter every value in F.f format (with a dot) the exception appears. If I enter with 1,9 value…
eightShirt
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Why am I getting an input mismatch exception in thread "main"?

I marked where I got the exception and I don't know why it's happening. This code finds the popularity and meaning of a name that the user types in . It also makes a graph(but it doesn't work) The files are too long to put on here but on line…
Marina Claire
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Java InputMismatchException loops with Scanner

first off this is one of my assignments for a class. I understand all the concepts my professor was trying to explain with this assignment but I am having a silly issue with it continuously looping, and cannot figure out how to stop it. We were…
mugiwaragirl
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how to handle this InputMismatchException?

In the code below I'm getting InputMismatchException at line 80 even before I'm giving the input. Why is this? try { loop:while(true) { choice=sc.nextInt(); switch (choice) { case 1: term=3; …
Chetan Joshi
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Input Mismatch scanner.next(string pattern) from file

I'm having a problem while using a Scanner file = new Scanner(filePath); my file is organised as so Question x.y Answer1 Answer2 Answer3 Answer4 Hint: Hint to Question x.y Level z Genere t I'm quite new to java and in all of this project I've…
Marco Datola
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"Exception in thread "main" java.util.InputMismatchException"**

I have searched but i really can' t seem to find anything wrong in the code, please help! The code compiles but, this is the error i get when i want to answer question 3: Exception in thread "main" java.util.InputMismatchException at…
tyskmeister
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Object Array in JAVA giving InputMismatchException

Code and Snap of the Exception are attached. Pls Help me out with InputMismatchException. I believe there is something wrong while entering the value at runtime import java.util.Scanner; class ObjectArray { public static void main(String…
vikasThakur.com
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Input Mismatch Exception double

I am trying to read a text file that says: Cycle [numberOfWheels=4.0, weight=1500.0] the code runs correctly but it doesn't recognize the doubles. the output is: Cycle [numberOfWheels= 0.0, weight= 0.0]. import java.io.File; …
user3764862
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Error in Java while trying to read input

This program should count amount of digits in a number. Here is my code: import java.util.Scanner; public class Converter { public static void main(String[] args) { Scanner marty = new Scanner(System.in); float sk; …
Martin
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Exception in thread *main* java.util.InputMismatchException

package Myth; import java.util.Scanner; public class Practice { public static void heightEstimator(double momH, double dadH) { Scanner kb= new Scanner(System.in); System.out.println("Enter your Mothers Height in Feet:…
hugotherobot
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Trouble understanding an InputMismatch Exception in a simple programme

I have to write a program that reads in a sequence of integers until 'stop' is entered, store the integers in an array and then display the average of the numbers entered. I'm getting an input mismatch exception when entering 'stop' so it doesn't…
jacka92
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Java InputMismatchException Errors

I am trying to write an Inventory program for my Java class. This program needs to read initial Inventory data from a .txt file (iterating a set amount of times - defined by the 1st integer in the inv.txt file we are using). My text file is correct,…
Keith Kornacki
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Java InputMismatchException error. What causes it?

What is the reason why that the following Java procedure causes a InputMismatchException error? import java.util.Scanner; public class Main { public static void main(String[] args) { String input = "hello 12345\n"; Scanner s =…
Francesco Riccio
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InputMismatchException Filereading FileWriting

So yeah here is my problem. I get an inputmismatchexception at the line of int count. How do i Fix this issue ? But one rule I must not touch the code line 32 - 100+. package main; import java.util.*; import java.io.*; public class Main…
Shulz
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How I should read such information in thist task? InputMismatchException

It is attempt to solve second task from Code Jam 2014. Unfortunately, I have an InputMisMatchException? I think problem is that first number is not double. How I should to read such information? Link to task. Input: 4 30.0 1.0 2.0 …
user3733641
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