I am trying to create a 2D platform game, by following this tutorial. I have created an Images()-class which looks like this: package Resources; And I created an instantation of it in my GamePanel()-class, which looks like this I get an error saying And when I try to run the game it doesn’t launch, I on…
Tag: multidimensional-array
Check if a char is in a 2D array in java
I have been working on my homework of creating a simple chess program. The chessboard is a 2D array, named board. The pieces are all single chars like R,Q,K, and empty space is filled with a ‘ ‘ char, so a space. The method get should return the char or whatever is there on the coordinate (x,y). A…
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…
Table-like data structures that can handle different data types? [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 10 months ago. Improve this question Are there any data structures and/or libraries in Java that will allow f…
Reverse subset of ArrayList using multidimensional ArrayList in Java
I am trying to reverse a sublist in a List using the indices provided in a multidimensional List. I don’t have much experience using multidimensional lists/arrays. I don’t understand why this doesn’t work. The output of this code using [[0,1], [1, 3]] as the indecies is: but it should be: Ca…
How to check if 2 elements are adjacent to one another in 2D array
I’m trying to figure out how to take in 2 integer parameters, an initial integer referred to as “start” and a second integer referred to as “destination”. I’m wanting to use both parameters from my method, first checking if the starting integer is within the matrix and then…
Method Overloading Techinques
I have a method overload that goes as follows: My question is there a way to condense the solution to have one method that takes into account N-Dimensional Arrays. The code runs fine like this however, I would like to know what Java techniques can help account for the increase in dimensions. I would like to a…
Creating user input for randomized 2D java array issue – OutOfBoundsException
Trying to create a 2D array that takes the users input for rows and columns. The numbers inside the array are then randomized from 0 to 100. I am getting the following error: Enter rows for the array: 3 Enter columns for the array: 2 Exception in thread “main” java.lang.ArrayIndexOutOfBoundsExcept…
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..
Count occurrences in 2D Array
I’m trying to count the occurrences per line from a text file containing a large amount of codes (numbers). Example of text file content: I want to compare a similar set of numbers that I get from a text field, for example: 9107,4405,2387,4499 The only result I’m looking for, is if it contains mor…