Why do Min & Max show up as 0 in this array? I tried to figure it out for a while now but I couldn’t wrap my head around it. Here is the ‘min’. And the ‘max’ I am not sure what the issue is. ||SOLVED|| Changed min and max and also added maximum(x); minimum(x); in main while r…
Tag: arrays
How to get single field in mongodb query?
I have data like this: i want to show one field like this base on book -> chapter_no -> sub_no in mongodb query. Answer $match $unwind $unwind $match $replaceRoot mongoplayground
Im trying to delete elements of an arraylist via inputs but the program stops at the third input, I would like to know why it does that
Im trying to delete elements of an arraylist via inputs but the program stops at the third input, I would like to know why it does that. Scanner scan = new Scanner(System.in); } Answer There are a couple of problems with your program. The condition of for loop was not correct and some other minor issues. Here…
Determine minimum number of moves to reach top left corner of 2-D array
I’m working through some leetcode problems and came across this one: I’m given a 2-D array, for example: Each cell in the array represents the number of moves I must make from that cell. I can move only up or only left each time I stop on a cell. I want to find the minimum number of moves necessar…
How do I check if my int array is empty, with the standard value being 0?
So I have come across an issue I do not seem to be able to fix. So lets say I have an int array and want to check whether the array still has space to add a certain element (from 0-∞) or has no space left, which would mean I would need to create a new array. The issue is
How to count the number of elements in one input
I hope you can help me with my task. I have tried to research different sites for this, but can’t find the specific one. Let us say that I’ve input 3, 2, 1, 5, 6 then the output should be 5. Another example is I have inputted 1, 2, 3, 4, 5, 6 then the output should be 6. It
Loop Object from a single Array
im sending a Json Array from Activity A to Activity B, and i want to populate that Json Array into Spinner in Activity B. but when i Log the json array from Activity A, the data becomes a single object “NVAKSINATOR” : [{“NVAKSINATOR”:”[{“NVAKSINATOR”:”20800̸…
How to split string of mulitdimensional array
i have string here String str1 = “{{1,2,3},{4,5,6},{7,8,9}}” and the result i expect is like this what method i use in java language? Thanks. i tried with split method then put each array into an arraylist variable “data”. result : and try to delete the data array that is empty and whi…
What’s the difference between these 2 array definitions?
What us the difference between int[][] a = new int[2][3] and int a[][] = new int[][]{{11,12},{13,14,15}}? I decompiled the .class file and found in the first case, the JVM will use multianwearray to create the array, while in the second case, it will use anewarray. I think in the first case, JVM will create a…
Big Decimal array not sorting 0 and 000.000
I was solving a java HackerRank problem in which I had to sort an array consisting decimal numbers using BigDecimal class in descending order. The solution works fine except for one case in which 0 and 000.000 comes. Now as they are equal, the problem tells us not keep them in the same order of their occurren…