I just learned the basic structure of the Try-Catch and I made a small code to test it, but it gives me an uninitialized variable error. Can someone instruct me a little about this? I leave the code:
public static void main(String[] args) {...
I have a try / catch with a return inside. Will the block finally be executed?
try {
something();
return success;
}
catch (Exception e) {
return failure;
}
finally {
System.out.println("No se si esto se va a im...
Is there any way to force the jump, without causing an exception, from inside try to catch ?
For example:
try {
// Código
// ...
//
//Provocar salto al "catch" -> ¿otra opción?
Integer.parseInt( "hola" );
} catch(...
Hello, the question arose to me, which is the best way to return a message in the event of an error?
Throw Exception:
try
{
.......
return cargarPersonas;
}
catch(Exception e)
{
throw new Exception("Mensaje.", e);
}
Return:
try...
My problem is that I have a window JOptionPane.showInputDialog that receives a data of type int . I wanted to do a try-catch to handle the exception NumberFormatException if they put a letter instead of a number. The p...
These are the methods of my program, when I divide between 0 the error message is printed and then if they print a series of random numbers (I understand the cout of the main is not executed correctly) What is the best way to check that Do not d...
To check if it is possible I did the following:
try
{
int *x = 0;
*x = 1234;
}
catch(...)
{
cout << "OK";
}
But when I run it, I get a segfault in the same way. I've read in some sites that try / catch can not capture a se...
I have a try/catch in my code. Inside the try I have different validations, each one throws an exception type that in turn extends the "general exception" parent class:
GENERAL EXCEPTION
public abstract class GeneralException exten...
When I write .start () in the code to indicate that the process starts, the Eclipse program gives me an error and gives me two options: wrap the .start () in a try-catch block or add a throws to the class. What is the difference between using a...
Pressing a button on my program is always caught in catch
The error that I get when executing the program is as follows
E/editarcontacto: null
java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.util.Arra...