How can one check if an integer is equal to another in a 2D array?

How can one check if an integer is equal to another in a 2D array? int[][] board = new int [3][3]; int a = board[0][0]; int b = board[0][1]; int c = board[0][2]; int d = board[1][0]; int e = board[1][…

Remove a specific row from a 2D Array

Given a 2D array and a string, how can I remove a row which does not contain a specific string? So far, I created a nested for loop which iterates through the array, adding all adjacent elements(…

Why is my random number generator becoming an unused assignment when using it to input values for 2d array?

I have been making a basic game of battleship and to get the CPU to choose ship locations on a 2d array I am making two random number generators to pick values from 1 to 8 on a separate method. For …

Array from recursive call being overwritten

We’re making a program to solve an asterisk sudoku via a recursive approach with back tracking. The solveIt method calls the solve method which is the recursive method. grid is declared before to be a …

How to swap rows and columns of a 2d array?

I’m trying to write a method for ‘transpose’ a two-dimensional array of integers, in which the rows and columns of the original matrix are exchanged. However, I have no idea how I can realize this. …

How to calculate RECURSIVELY 2D array column in Java

I am stuck with a homework question for something fairly stupid. The mission is to find the smallest column sum on a 2D array and return it’s index. No loops allowed, only recursion. I managed the …

How can I check if a diagonal element in 2D array is occupied?

I’m trying to complete the nQueens puzzle problem with a 2D array. I’m having trouble checking to see if an element diagonal to the current element is occupied? I tried doing another for loop, but it …