The link was fantastic advice. I found my answer. Many thanks
Type: Posts; User: TheCoder
Re: Why is answer A correct and not answer B?? I always thought a class has to implement an interface!! Is it different with generics?
The link was fantastic advice. I found my answer. Many thanks
Why is answer A correct and not answer B?? I always thought a class has to implement an interface!! Is it different with generics?
QUESTION: 163
A programmer must create a generic class MinMax and the type parameter of MinMax
must implement Comparable. Which implementation of MinMax will compile?
A. class MinMax<E extends...
Re: Why is this code giving me an ArrayIndexOutOfBoundException?
:ar!
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 0
at Martina3.CreditCardTest1.main(CreditCardTest1.java:7)
Java Result: 1
Re: Recognise exceptions when reading code
Thanks, I will do that. With some codes I find it difficult to see that there is going to be an exception thrown. For example the code I have posted earlier, I would not have seen the exception.
Recognise exceptions when reading code
Can you give me any tips or tricks of how to recognise exceptions when reading code?! That would be really helpful.:rolleyes:
Why is this code giving me an ArrayIndexOutOfBoundException?
public class CreditCardTest1
{
public static void main(String args[])
{
String creditCard = args[0].toUpperCase();
if(creditCard.equals(AllowedCreditCard.VISA.name()))
...
Re: Why can I not execute the following code? When I try to run it, I get a message that there is no main method.
Class "NumberFormatter" does not have a main method.
Why can I not execute the following code? When I try to run it, I get a message that there is no main method.
import java.util.*;
import java.text.*;
public class NumberFormatter
{
public static void main(String args[])
{
double amount = 1276789.34;
double percent = 0.95;
...
Hello Java Experts
I am fairly new to the programming world and I will probably have tons of questions very soon. I am very excited. Please be patient with me.
Talk to you very soon.