Jun 1, 2016 · I'm trying to return the position of a specific value in a 2D array. I have a double array [300][300]. All values contained in it are 0 apart from one which is 255. How do I write a method to return the [i][j] location of 255? Thanks in advance.

Feb 17, 2017 · I am trying to create a program that lets you find how many times a curtain number occurs in a 2d array. One of the things that I am required to do is to create a method called countInstence which ...

Jan 10, 2016 · For an array in Java, we can get the length of the array with array_name.length. Similarly, how would one get the number of rows and columns of a 2D array? Well you probably want array_name.length for getting the count of the rows and array_name[0].length for the columns. That is, if you defined your array like so: Woow! that's great!

Mar 13, 2025 · Write a Java program to find the row, column position of a specified number (row, column position) in a given 2-dimensional array. Sample Solution: Java Code: * @param nums, the matrix. * @param row the current row. * @param col the current column. * @param search_element the element that we want to search for.

6 days ago · Two-dimensional array is the simplest form of a multidimensional array. A 2-D array can be seen as an array storing multiple 1-D array for easier understanding. Syntax (Declare, Initialize and Assigning) // Declaring and Intializing data_type[][] array_name = new data_type[x][y]; // Assigning Value array_name[row_index][column_index] = value ...

Feb 14, 2025 · There are mainly two ways to create a two-dimensional array in java that are as follows: 1. The syntax to create a two dimensional array and directly store elements at the time of its declaration, as follows: int marks[ ] [ ] = {{50, 60, …

Learn how to get the number of rows and columns from a 2D array in Java with this comprehensive guide.

Oct 26, 2023 · Java doesn’t provide a built-in method to sort a 2D array, but you can sort each row of the array individually using Arrays.sort(). Here’s an example: import java.util.Arrays; int[][] array = {{3, 2, 1}, {6, 5, 4}, {9, 8, 7}}; for (int[] row : array) { Arrays.sort(row); } // Output: // array: [[1, 2, 3], [4, 5, 6], [7, 8, 9]]

In Java, when accessing the element from a 2D array using arr[first][second], the first index can be thought of as the desired row, and the second index is used for the desired column. Just like 1D arrays, 2D arrays are indexed starting at 0.

I am working on a project in Java where I need to order a 2D array according to their values in non-decreasing order and find the position (row and column) after ordering their elements. I will try to explain this with an example.