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Java Error Array.reverse

Hi Campbell, because the OP has figured out his own solution, so I think it is allowed that I post my code here, regard of your guild-line above. I see that when I swap, that I end up swapping back with the third swap... Winston "Leadership is nature's way of removing morons from the productive flow" - Dogbert Articles by Winston can be found here Hai Thompson Greenhorn Posts: 21 posted 11 months ago You needn't mess much with the array, as long as you have it visible, and you only have to worry about your stopping condition. http://magsuite.com/java-error/java-error-array-dimension-missing.html

posted 4 years ago 1 Michael Pickens wrote:What started out for me as a logical process has now turned into a big guessing game . I have a mid term tomorrow in this class on loops, methods, and arrays (to give you an idea of where I am at.) Winston Gutkowski Bartender Posts: 10550 64 Difference between NoClassDefFoundError vs ClassNo... The 2 guidelines that my professor is requiring are: 1) My program should have at least two methods, "displayArray" and "reverse" 2) I am not allowed to create a new array

I took a graduate level AI course and LISP was used. Trying to pass an int[] to the above method will result in something like The method reverse(Object[]) in the type MakeSimple is not applicable for the arguments (int[]). @Filip - an March 28, 2015 at 6:51 AM SARAL SAXENA said... @Javin ..just to add with another view point With Commons.Lang, you could simply useArrayUtils.reverse(int[] array)Most of the time, it's quicker and more Postfix, how can I reject spam from unknown IP (no DNS) How can I scribe a slab into a nook with three walls?

public class ReverseArray { public static void main(String[] args) { int arr[] = new int[] { 10,20,30,50,70 }; System.out.println("reversing an array:"); for(int i = 0; i < arr.length / 2; i++){ Me too, but I try to avoid it in my programs. I didn't realize that I was just doing that.. I am not catching the error.

Top 5 Java Main method Interview Questions with An... The example displays the contents of the array, calls the Reverse method, and then displays the contents of the reversed array. Would you like to answer one of these unanswered questions instead? Let me know if you find any bug or issue and the program is not working for any input.

public class ReverseArray { private ReverseArray() {} public static void swapTwoElementsInArray(int[] array, int i, int j) throws NullPointerException, ArrayIndexOutOfBoundsException { if(i != j) { int temp; temp = array[i]; array[i] = Can I do temp = arr; ? If yes, please tagged as such. –Aleks G Apr 3 '12 at 14:35 1 consider swaping first and last items and then the second and second last items till you Try it: Integer[] array = new int[5].

Ditto for lines 28-30. (Lesson: Don't re-invent the wheel ) 5. Just confirmed that no temporary array is required see: ideone.com/api/embed.js/link/xLLTpl ... You fix the syntax errors so it compiles. not just your integers.

Try our newsletter Sign up for our newsletter and get our top new questions delivered to your inbox (see an example). check my blog Les BTW: I am also one that finds great delight in seeing small bits of code do a lot. The content you requested has been removed. Then the only operators you need are '++' and '--' 3. 'int temp = array[i];' (line 6) saves you a line of code. 4.

Goldstone modes and Anderson-Higgs mechanism in the context of BCS theory How can I make a check twice as likely to fail? You give it a private constructor, so nobody can instantiate that class. Key point to understand here is that you need to reverse the same array, you cannot use another array but one or two variable is fine. this content I like the fact that you didn't change the original array, instead you returned a new array. –madhuspot Mar 3 at 4:56 add a comment| up vote 8 down vote try

This way, all elements of array will be reversed without using any additional buffer. posted 4 years ago 1 Michael Pickens wrote:I dont know what to do. asked 6 years ago viewed 272889 times active 3 days ago Visit Chat Linked 30 Reversing an Array in Java 15 Sorting int array in descending order 3 How to reverse

If you know how to access array elements and how to loop over an array in Java using traditional for loop, you can easily solve this problem without using additional space.

That's all about how to reverse array in place in Java. Pen and paper "playing computer" doesn't make sense to me. Does notation ever become "easier"? You’ll be auto redirected in 1 second.

HIH Winston "Leadership is nature's way of removing morons from the productive flow" - Dogbert Articles by Winston can be found here Winston Gutkowski Bartender Posts: 10550 64 I like... I have this code completely written, and I am having trouble reversing ALL the digits. Is Cauchy induction used for proofs other than for AM–GM? http://magsuite.com/java-error/java-error-java-lang-classnotfoundexception.html Michael Pickens Greenhorn Posts: 24 posted 4 years ago I changed that code to match: arrayOne[i] = arrayOne[arrayOne.length - i - 1]; arrayOne[arrayOne.length - i - 1] = temp; John

For every ith element, swap it with (inputArray.length-1-i)th element. I have to admit, I'm envious.