Exception not caught

Hi,

I am trying to handle an IOException in a class, but when the exception occurs the interpreter is not printing the exception.

the code is as below:-

Code:

---

import java.io.*;
class SumHelper
{
public String getUserInput(String prompt)
{
String userInput = null;
BufferedReader is = new BufferedReader(new InputStreamReader(System.in));

System.out.println(prompt + " ");
try
{
userInput = is.readLine();

}
catch(IOException e)
{
System.out.println("Please enter a valid response");
}
return userInput;
}
}

---

for testing the code above i created a test class as below:-

Code:

---

class test
{
public static void main(String [] st)
{
SumHelper helper = new SumHelper();
String res = helper.getUserInput("Please enter a valid number");

System.out.println(res);
}
}

---

Here is the output, I am getting

Code:

---

root@developer:/Coding/JAVA/Sum/testing# java test
Please enter a valid number
 

root@developer:/Coding/JAVA/Sum/testing#

---

I didn't entered anything for the exception to be caught, but the program is behaving in abnormal way.

Thanks
Ankit

Hi Ankit,

Giving an empty input by just pressing the enter key doesn't mean that an IOException will be thrown. Because an empty input is a valid value. The IOException will be thrown if there is a failed or interrupted I/O operation.

If you want to get an exception try pressing something like CTRL + BREAK key on your keyboard.

Hi wsaryada,

got your point. :).. thanks