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small answers

1 reply on 1 page. Most recent reply: Feb 27, 2006 11:30 PM by Matthias Neumair

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waaa waaa

Posts: 1
Nickname: waaa
Registered: Feb, 2006

small answers Posted: Feb 27, 2006 12:13 PM
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I need some small answers for these Q..

-how can I write a java program to read a number from the KB then print the sum of the digits of that number.

-input an integer then outputs the number with the digits reversed

-asks the user to enter a number 'k' and then find the sum of squares of the first 'k' positive integers


-read a set of integers and then prints the number of odd and even integers it sould also output the Zero

the last one
-read aset of integers to an array and then output the largest number in the set


Matthias Neumair

Posts: 660
Nickname: neumi
Registered: Sep, 2003

Re: small answers Posted: Feb 27, 2006 11:30 PM
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Input: Use System.read()
Output: System.println()
Invert: Convert number to string, then read the characters with a loop backwards and add them to a new String.
Sum of squares: This is simpliest maths. A loop, a multiplication and an addition should do the trick
Max Number: A loo and Math.max() should be anything you need.


At least TRY to do your homework for yourself.

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