From 525aeda1b5864522b63e9b1233fec7807472561d Mon Sep 17 00:00:00 2001
From: Mikkel Marstein <mikkem@stud.ntnu.no>
Date: Thu, 3 Sep 2020 18:53:39 +0000
Subject: [PATCH] check if input was string
---
.../src/Valutakalkulator/AppController.java | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/Valutakalkulator/src/Valutakalkulator/AppController.java b/Valutakalkulator/src/Valutakalkulator/AppController.java
index c8c9a5f..bd46ef0 100644
--- a/Valutakalkulator/src/Valutakalkulator/AppController.java
+++ b/Valutakalkulator/src/Valutakalkulator/AppController.java
@@ -5,7 +5,7 @@ import javafx.scene.control.ComboBox;
import javafx.scene.control.TextField;
public class AppController {
-
+
@FXML
private TextField input, output;
@@ -27,10 +27,15 @@ public class AppController {
}
private double getInput() {
- if(input.getText().isEmpty())
+ String txt=input.getText();
+ if(txt.isEmpty())
return 0.0;
-
- return Double.parseDouble(input.getText());
+ try {
+ double nr = Double.parseDouble(txt);
+ return nr;
+ } catch(NumberFormatException e){
+ return 0.0;
+ }
}
@FXML
--
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