Use below to print 2D array. int[][] array = new int[rows][columns]; System.out.println(Arrays.deepToString(array)); Use below to print 1D array. int[] array = new int[size]; System.out.println(Arrays.toString(array));

Mar 24, 2025 · In this article we cover different methods to print 2D Array. When we print each element of the 2D array we have to iterate each element so the minimum time complexity is O ( N *M ) where N is the number of rows in the matrix and M is the number of columns in the matrix.

Nov 30, 2020 · Declare a 2-d character array called board with SIZE rows and SIZE columns. Be sure to use the static modifier in the declaration. */ static char[][] board = new char [SIZE][SIZE]; static final char PLAYER1 = 'X'; static final char PLAYER2 = 'O'; static Scanner userInput = new Scanner(System.in); public static void initializeBoard() { /* Here:

Dec 18, 2015 · Depending on the usage, you may want to use a method to print a specific row. Something like this public void printRow(int r){ for(int i=0; i<table[r-1].length; i++){ if(i>0){ System.out.print(", "); } System.out.print(table[r-1][i]); } }

Aug 23, 2024 · The most straightforward method involves using nested loops to iterate through the rows and columns of the 2D array. This method is simple and intuitive, making it an excellent choice for basic array printing.

Jun 16, 2023 · If you want to print a 2D array in Java, there are 4 easy methods to learn for programmers: One of the best ways to print a 2D array in Java is to simply convert the array to a string. A 2D array can also be imagined to be a collection of …

How to Print 2D array/matrix row-wise ? Example. Input : mat[][] = {{1, 2, 3,4}, {5, 6, 7,8}, {9,10,11,12}} Output : Row-wise: 1 2 3 4 5 6 7 8 9 10 11 12. Approach. Printing a 2D array row-wise asks us to print all the data in each row of the 2D array.

Nov 25, 2019 · Given a 2d array arr in Java, the task is to print the contents of this 2d array. The first thing that comes to mind is to write a nested for loop, and print each element by arr [i] [j]. For this, we will use deepToString () method of Arrays class in the util package of Java. This method helps us to get the String representation of the array.

Learn how to print a 2D array or matrix in Java with examples and step-by-step instructions.

6 days ago · The most common and fundamental way to Java print 2D array is by using nested for loops. This method gives you complete control over the formatting, making it ideal for game boards, matrix manipulations, or any project that requires customized output.