SimpleArrayExample.java

/* Computer Programming 1
*Simple 2-D Array example
 */
 

import java.io.*;
import java.util.*;
public class SimpleArrayExample
{
	public static void main(String[] args) {

 //two dimensional array without knowing its elements
 int [][] array1 = new int [3][3];
 
 
 //we fill the array with a nested loop and a scanner instance
 Scanner reader = new Scanner(System.in);
 for(int i=0;i<array1.length;i++){
 for(int j=0;j<array1.length;j++){
 array1[i][j] = reader.nextInt();
 }

 } 
 // now we can print the array using another nested loop
 for(int i=0;i<array1.length;i++){
 for(int j=0;j<array1.length;j++){
 System.out.print(array1[i][j]);
 }
 //we just print a new line
 System.out.println();
 } 
 
 } 
 
 }