The Two Dimensional Array in Java programming language is nothing but an Array of Arrays. Experience. Each row and column represent a vertex. To access data or elements in java 2d array we use row index and column index. In other words, each row in a two-dimensional array is a one-dimensional array. I have also put code examples. Here is an example of how to declaring and initializing a 2D array, also printing the 2D Array. In the above code, we try to print a 2D array using pointers, As we earlier did, at first we initialize the 2D array, s[5][2]. Moreover, the dimension of the array also varies in Java according to your requirements. int matrx[][] = new int[2][]; It means we need both row and column to populate a two-dimensional array. } Printing arrays.1.4 4. 1. These arrays store a single sequence or list of elements of the same data type. Here we discuss the top 3 methods of how to print 2D array in java along with different examples. See: Java program to print a variation of Circular (Spiral) Matrix. THE CERTIFICATION NAMES ARE THE TRADEMARKS OF THEIR RESPECTIVE OWNERS. The compiler has been added so that you can execute the given programs yourself, alongside suitable examples and sample outputs. brightness_4 The following article 2D Arrays in Java provides an outline for the creation of 2D arrays in java. matrx [0][0]=51; Prerequisites : Arrays in Java, Array Declarations in Java (Single and Multidimensional). matrx[0] = new int[3]; matrx [2][1]=18; Steps. How to determine length or size of an Array in Java? dataType reference_variable name [][]; System.out.print(matrx[r][c] + " "); When a number of rows and columns are not equal in a multidimensional array in java, we call it a Jagged array in Java. Just replace the function isPrime() in the above program with the appropriate function. Please write to us at contribute@geeksforgeeks.org to report any issue with the above content. Well, it’s absolutely fine in java. 44:14. And also a pointer (*p)[2], where p is a pointer which stores the address of an array with 2 elements, As we already said, we can break down a 2D array as an array of arrays. Print 2D array in Spiral. In this tutorial, we will learn how to create a matrix from user input. for (int c = 0; c < matrx[r].length; c++) {   //for loop for column iteration. Table of Contents1 Processing Two Dimensional Array1.1 1. public class Print2DArrayInJava { } }. In the previous post, we have discussed how to declare and initialize two dimensional arrays in Java.In this post, we will see how to print them. To find number of columns in i-th row, we use mat[i].length. Attention reader! rec[0][1] = 25; edit Java Program to print a given matrix in spiral form By Abhishek Kaushik Hello Friends, In this tutorial, we will look at how to print a given matrix in spiral form using Java program, a matrix of size m * n is taken (m is the number of rows and n is the number of columns). the outer loop and the inner loop to traverse the columns. //below is declaration of a jagged 2 D array Matrix is a combination of rows and columns. for (int r=0; r