Question: How to Display an alert message when nothing is selected in jspinner in java?



Share on Google+Share on Google+

How to Display an alert message when nothing is selected in jspinner in java?
0 Answer(s)      4 years and 5 months ago
Posted in : Java Beginners


i'm trying to code a jspinner in java and i want to display a message when nothing is selected. My initial value is 0 min value = 0 max value = 200

so when the application is running it displays the jspinner with the initial value = 0 what i want is if the user did not select the jspinner an alert message should appears. here is what i tried without success.

public int getAlerte() { int x = 0;

    if (Integer.parseInt(jSpinnerParameter.getValue().toString()) <= 0 ||
    Integer.parseInt(jSpinnerParameter.getValue().toString()) >200){
    JOptionPane.showMessageDialog(this, "Color Number should be 1 minimum",
            "Alert", JOptionPane.ERROR_MESSAGE);
    x = 1;

     return x;


the Alert message is never displayed,please i need help. Thank you

View Answers

Related Tutorials/Questions & Answers:
Java Spring Hibernate Struts Training Apache Commons ioutils maven dependency Read/Convert an inputStream to a String What is the meaning of Java Platform? Why Java is a platform independent language? What is the benefits of learning Core Java? Which technology should I learn after Java? What is array in java with example? How to Convert ArrayList to Array? How to substring in Java? How to format number in Java? What is instance variable in Java? How to download MySQL JDBC driver? What is Calendar class in Java? Which is the best Java tutorials for beginners? How to rename a file in Java? How to delete file in Java code? How to get day from date in Java using Calendar? How to get day of week in Java? How to calculate Date Difference in Java? How to compare date in Java? How to declare array in Java? How to calculate average of array in Java? What is Array in Java? write a java program to find the summation of all the integers entered on command line Sum of two numbers using command line arguments in Java How to create and use Array in Java? How to pass command line arguments in Java? How to create Applet Hello World? Appending String efficiently in Java How to append String in Java? How to list even numbers between 1 and 100? How to add BigDecimal in Java? What is Abstraction In Java? Which is best Beginners Java Tutorial? What is java.util package? Create list from array in Java Filter collection in Java 8 What is the best way to filter a Java Collection? Easy way to transform Collection to Array? How to convert Collection to Array in Java? What are Basic Java Language Elements? Advanced Java Tutorials in 2017 Java brief history Best Reasons to learn Java Java Example Codes and Tutorials in 2017 How do I read a large file quickly in Java? Is learning Java worthwhile? How to create first Java Program? Retrieve database from the table dynamically in jsp from oracle using servlet What does core Java include?


Advertisement null