Question

in java

/ You will:

// 1- create a square 2 dimensional array of random size (less than 11)

// 2- fill the array with random integers from 1 to the size limit

// 3- print the array

// 4- prompt to see if the user wants to do another

//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

// 1- The square can use the same random value for x and y. Don't allow 0 size arrays.

// 2- Maybe a nested set of for loops? to go from row(0) col(0) to row(x)col(x)

// So that the values in the array aren't huge keep them limited to a range set by the number of values in a row (size){ A 6x6 square will contain integers smaller than 7, a 3x3 square will have integers smaller than 4}

// 3- Print it in the square format (On screen it will look like a rectangle but as long as the number of rows and columns are the same we will consider it a square.

// 4- If you used a Do loop to start the square the While condition could be held to check a sentinel the user enters as “yes”.

Answer 1

//Program

========================================================

import java.util.Scanner;
class Array2d{

    static int[][] createArray(int x,int y){
        int arr[][]=new int[x][y];
        for(int i=0;i<x;i++){
            for (int k=0;k<y;k++){
                arr[i][k]= (int) Math.round(Math.random()*(x-1))+1;
            }
        }
        return arr;
    }

    static void display(int[][] arr,int x,int y){
        for(int i=0;i<x;i++){
            for (int k=0;k<y;k++){
                System.out.print(arr[i][k]+" ");
            }
            System.out.println();
        }
    }

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String choice="";
        do{
            int x = (int) Math.round(Math.random()*9)+1;
            int y = (int) Math.round(Math.random()*9)+1;
            System.out.println(x+" "+y);
            int arr[][]= createArray(x, y);
            display(arr, x, y);
            System.out.print("Wants to do another(yes/no) : ");
            choice = sc.nextLine();
        }while(choice.compareTo("yes")==0);
    }
}

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//output

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