Friday, 24 June 2016

Java Tutorial : Java Exception handling (Custom Exception or User defined Exception-Version1)


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Java Tutorial : Java Exception handling (Custom Exception or User defined Exception-Version1) 
InvalidAgeException.java
public class InvalidAgeException extends Exception
{

    public InvalidAgeException(String message)
    {
        super(message);
    }

}
CustomExceptionDemo.java
public class CustomExceptionDemo
{

    public static void main(String[] args)
    {
        try
        {
            CustomExceptionDemo customExceptionDemo = new CustomExceptionDemo();
            customExceptionDemo.validate(15);
        }
        catch (InvalidAgeException invalidAgeException)
        {
            invalidAgeException.printStackTrace();
            System.out.println("message = "+invalidAgeException.getMessage());
        }

    }

    public void validate(int age) throws InvalidAgeException
    {
        if (age < 25)
        {
            throw new InvalidAgeException("Not a valid age to apply for Govt. jobs");
        }
        else
        {
            System.out.println("Valid age to apply for Govt. jobs");
        }

    }
}
Output
InvalidAgeException: Not a valid age to apply for Govt. jobs
    at CustomExceptionDemo.validate(CustomExceptionDemo.java:23)
    at CustomExceptionDemo.main(CustomExceptionDemo.java:9)
message = Not a valid age to apply for Govt. jobs
Click the below link to download the code:
https://sites.google.com/site/javaee4321/java/ExceptionDemo_CustomException_V1_App.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/ExceptionDemo_CustomException_V1_App

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/969ffd88eb34c4fd42d966118b27490392b78865/BasicJava/ExceptionDemo_CustomException_V1_App/?at=master

See also:
  • All JavaEE Viedos Playlist
  • All JavaEE Viedos
  • All JAVA EE Links
  • Servlets Tutorial
  • All Design Patterns Links
  • JDBC Tutorial
  • Java Collection Framework Tutorial
  • JAVA Tutorial
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