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From: Eric Sosman <esosman@comcast-dot-net.invalid>
Newsgroups: comp.lang.java.programmer
Subject: Re: Scanner error
Date: Mon, 11 Jul 2016 15:26:15 -0400
Organization: A noiseless patient Spider
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On 7/11/2016 3:23 PM, Stefan Ram wrote:
> kalisha malama <malamakalisha@gmail.com> writes:
>> How old are you ?21
>> Do you have a Coupon?(Y/N)Exception in thread "main" java.lang.NullPointerException
>> 	at Apples.main(Apples.java:15)
>
>   The method declaration
>
> void f( final java.lang.CharSequence s ){ s.charAt( 0 ); }
>
>   assumes that »s« is not null, otherwise there will be an exception,
>   which is a kind of runtime error.
>
>   The code could be replaced by, for example,
>
> void f( final java.lang.CharSequence s ){ if( s != null )s.charAt( 0 ); }
>
>   .

     I, too, sometimes type faster than I think.  Will you post a
correction?

-- 
esosman@comcast-dot-net.invalid
"Don't be afraid of work. Make work afraid of you." -- TLM