My program isn’t sorting the numbers at all. It displays them in the order they were initially entered. It must sort them from smallest to largest number. The code below should find the largest number in the array and swap it with the last .the code is below: Answer I believe your problem is here: array.length is not less than
Tag: arrays
How to randomize ArrayList without using Collections.swap()?
I was asked to create a method that randomly rearranges my list which contains arrays. The list contains multiple persons and their names and surnames. My question is how do I move a person (array containing two elements name and surname inside the list) to a different index without using the method swap()? Because our list does not support that
How to Sort Array and populate it
so I NEED to sort this array by column and populate it bu user input. so this is my code and if you can help me it would be great.. so I NEED to sort this array by column and populate it bu user input. so this is my code and if you can help me it would be great..
I want to return a formatted Phone Number with use substring but odd thing return
I’m new to java. why this don’t work ?? this must get something like this formatPhoneNumber([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]) and after that return (123) 456-7890 Thanks for the answers. Answer When using the toString(); method in a primitive type array the result is the location in the memory e.x “[I@1b28cdfa” If you want to
Can someone tell me what is the problem in my code [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 10 months ago. Improve this question Class pair main function What I want to do is to create an array of objects of class pair and take input in the array
Java using scanner for user input to set size of array
I want to allow for the user to be able to choose the size of the int array in my program Right now I have the following code: I’m not sure why but when I go to test and print my Array.toString it simply prints ”'[]”’ (obviously it is not doing what it should be doing and populating the int
Sort an array with user defined datatype in java
This question is from geeksforgeeks : Here’s the link: https://practice.geeksforgeeks.org/problems/find-all-pairs-whose-sum-is-x5808/1# Q) Given two unsorted arrays A of size N and B of size M of distinct elements, the task is to find all pairs from both arrays whose sum is equal to X. I have to sort the result in ascending order but the datatype for array here is user-defined
How can I prevent an overwrite and add to exisiting array (Java)
My project mostly works as intended, save for the fact that my methods will overwrite the initial entry and not add the new entry to the array. For instance if I input 2 entries via option 1, and then attempt to add another (single) entry via option 2, index 0 is overwritten by the new entry. I’ve tried making the
java for loop early termination
This is the first half of my java program- to input certain values. I noticed that the first ‘for loop’which takes in values of the answer key is getting terminated after 2 or 3 iterations instead of the expected 5, and I have, so far, had no luck in figuring out why. Any help would be appreciated, thanks! Answer BufferedReader.read()
Program that stores the names and populations of 12 countries two arrays of the same size
Use data below Countries: USA, Canada, France, Belgium, Argentina, Luxembourg, Spain, Russia, Brazil, South Africa, Algeria, Ghana Population in millions: 327, 37, 67, 11, 44, 0.6, 46, 144, 209, 56, 41, 28 Use two arrays that may be used in parallel to store the names of the countries and their populations. Write a loop that neatly prints each country name