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need help on exercise

2 replies on 1 page. Most recent reply: Sep 14, 2005 5:05 AM by Jeff Thomson

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indi

Posts: 2
Nickname: indianj
Registered: Sep, 2005

need help on exercise

Posted: Sep 12, 2005 5:44 PM

i was doing my exercise and i did not get it this one.

int [] p = new int [100];
int [] s = p;

after these statements, which of the following statements will change the last value of p to 75?

A) p[99]=75;
B) p[100]=75;
c) s[99]=75;
d) s[100]=75;
e) two of more of the answers will change p to 75.

Kondwani Mkandawire

Posts: 530
Nickname: spike
Registered: Aug, 2004

Re: need help on exercise

Posted: Sep 12, 2005 9:58 PM

> i was doing my exercise and i did not get it this one.
>
> int [] p = new int [100];
> int [] s = p;
>

Google Java array Tutorial as well as Java Objects
(You need to know about Objects because you have
equated the references hence changes in p apply to
s). Short of that, me simply giving you the answer
is beyond ridiculous.

Jeff Thomson

Posts: 14
Nickname: thomson
Registered: Sep, 2005

Re: need help on exercise

Posted: Sep 14, 2005 5:05 AM

When its an assignment you are expected to do it yourself its not fair to ask others do it for you. Just go thru these tutorials and give it a try. If you still dont succeed post some code which you wrote to try this exercise.

http://java.sun.com/docs/books/tutorial/java/data/arrays.html
http://java.sun.com/docs/books/tutorial/java/data/index.html

---------------
Jeff Thomson
http://www.devsquare.com
Online Application Development

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