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Java program to read and print a two dimensional array



In this java program, we are going to learn how to read and print a two dimensional array? Here, we are reading number of rows and columns and reading, printing the array elements according to the given inputs.
Submitted by IncludeHelp, on December 07, 2017

Read number of rows and columns, array elements for two dimensional array and print in matrix format using java program.

Example:

    Input:
    Enter number of rows: 3
    Enter number of columns: 3
    Enter elements 
    1
    2
    3
    4
    5
    6
    7
    8
    9

    Output:
    Matrix is:
    1 2 3 
    4 5 6 
    7 8 9 

Program to read and print two dimensional array (Matrix) in java

import java.util.Scanner;

public class Ex2DArray
{
   public static void main(String args[])
   {
	   // initialize here.
       int row, col, i, j;
       int arr[][] = new int[10][10];
       Scanner scan = new Scanner(System.in);
	   
       // enter row and column for array.
       System.out.print("Enter row for the array (max 10) : ");
       row = scan.nextInt();
       System.out.print("Enter column for the array (max 10) : ");
       col = scan.nextInt();
	   
       // enter array elements.
       System.out.println("Enter " +(row*col)+ " Array Elements : ");
       for(i=0; i<row; i++)
       {
           for(j=0; j<col; j++)
           {
               arr[i][j] = scan.nextInt();
           }
       }
	   
       // the 2D array is here.
       System.out.print("The Array is :\n");
       for(i=0; i<row; i++)
       {
           for(j=0; j<col; j++)
           {
               System.out.print(arr[i][j]+ "  ");
           }
           System.out.println();
       }
   }
}

Output

Enter row for the array (max 10) : 4
Enter column for the array (max 10) : 4
Enter 16 Array Elements : 
1
2
3
4
4
3
2
1
4
5
6
6
5
4
7
8
The Array is :
1  2  3  4  
4  3  2  1  
4  5  6  6  
5  4  7  8  





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