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  • How to use Custom Exception in android

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    Custom Exception is user-defined exception. It is used to customize the exception according to the user requirement. Here In step one we have defined own exception . In step second Using the custome defined exception extends "Exception" class and I have created a class to display numbers 1 to 5 and then throw our MyException. In the below code example I have clearly described "How to use Custom Exception in android".

    Step(1).custom defined exception

    public class MyException extends Exception
    {
        public MyException(String message)
        {
            super(message);
        }
    }

    Step (2). Using here custom defined exception-

    public class ExceptionTest
    {
        public static void main(String args[]) throws Exception
        {
            ExceptionTest exceptionTest = new ExceptionTest();
            exceptionTest.displayNumbers();
        }
     
        public void displayNumbers() throws MyException
        {
            for(int i=0;i<10;i++)
            {
                System.out.println("i= "+i);
                if(i==5)
                {
                  throw new MyException("My Exception Occurred");
                }
            }
        }
    }

     

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