Exception Handling in Apex Part 4 | How to create User Defined Exception Class in Apex

                      In this post, we will see Exception Handling in Apex Part 4 | How to create User Defined Exception Class in Apex

Program Code: (class NewException)

public class NewException extends Exception {

    override public String getMessage()

    {

        return 'divide by zero exception';

    }

}

Program Code: (Anonymous Window)

System.debug('Before Exception');

integer a=10,b=0;

try{

    if(b==0)

        throw new NewException();

    else

       Double result=a/b;

}

catch(NewException e){

    System.debug('Cause:'+e.getCause());

    System.debug('Message:'+e.getMessage());

    System.debug('Line Number:'+e.getLineNumber());

    System.debug('Stack Trace:'+e.getStackTraceString());

    System.debug('Type Name:'+e.getTypeName());

} 

finally{

    System.debug('In Finally Block');

}

System.debug('After Exception');