java throw an exception
public static void main(String[] args) {
Scanner kb = new Scanner(System.in);
System.out.println("Enter a number");
try {
double nb1 = kb.nextDouble();
if(nb1<0)
throw new ArithmeticException();
else System.out.println( "result : " + Math.sqrt(nb1) );
} catch (ArithmeticException e) {
System.out.println("You tried an impossible sqrt");
}
}java exception override message
// Most exception classes provide a constructor requesting a String.
// Check the API of your superclass.
public class PersonalException extends RuntimeException{
public PersonalException() {
super("This is a message for you! Something went wrong...");
}
}Copyright © 2021 Codeinu
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