Passing an Integer with Exception in Java

Question

I have following exception

public class MyException extends SecurityException{
      public MyException( String s ) { super( s ) ; }
}

where SecurityException is java.lang.SecurityException.

whenever I throw MyException("Message");, I can get the message.

Now, in MyException I want to pass an integer value with MyException and access that integer where I am catching this MyException.

How do I do that ?

Exception classes aren't some mystical voodoo magic - they're objects just like anything else. Do it in the same way that you would do it for any other type of object. — JonK
– JonK, Commented Dec 2, 2016 at 12:22
Ohh yes @JonK I had not seen any such exceptions so I was assuming it would be difficult. Thanks, next time I would approach problems in that easy way mindset. — rdj7
– rdj7, Commented Dec 5, 2016 at 5:55

Tomazini · Accepted Answer · 2016-12-02 12:23:33Z

7

public class MyException extends SecurityException{
  private int i;
  public MyException(String s, int i) { 
     super(s);
     this.i = i;
  }

  public int getI() { return i; }
}

answered Dec 2, 2016 at 12:23

Tomazini

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2 Comments

rdj7 Over a year ago

I have this catch(Exception e) where e would be MyException but now if i see i can only have java.lang.Exception's methods not getValue()

Tomazini Over a year ago

If you want to pass values within your exception, then in your code you should catch your own exception.

xitter · Accepted Answer · 2016-12-02 12:25:18Z

1

You can specify a member variable in MyException class and use it at catch point. Something like -

public class MyException extends SecurityException{
  private Integer value;
  public MyException( Integer n, String s ) { 
       super(s) ;
       value = n;
  }
  public Integer getValue() {
       return value;
  }
}

answered Dec 2, 2016 at 12:25

xitter

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2 Comments

rdj7 Over a year ago

I have this catch(Exception e) where e would be MyException but now if i see i can only have java.lang.Exception's methods not getValue()

xitter Over a year ago

You need to catch MyException specifically, not generic class Exception.

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