Develop an algorithm and write a Java that must accept two integers N1 and N2 as the input. The program must print the desired pattern as shown in the Sample test cases.Input FormatThe first line contains the two integers N1 and N2 as the input.Output FormatPrint the desired pattern as shown in the Sample test cases.Boundary Condition: 0 < N1, N2 <= 1000Otherwise, print ‘invalid’

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Solution 1

Here is a simple Java program that accepts two integers N1 and N2 as input and prints a pattern. This program also checks the boundary conditions and prints 'invalid' if the input is not within the specified range.

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int N1 = scanner.nextInt();
        int N2 = scanner.nextInt();

        if (N1 <= 0 || N1 > 1000 || N2 <= 0 || N2 > 1000) {
            System.out.println("invalid");
            return;
        }

        for (int i = 0; i < N1; i++) {
            for (int j = 0; j < N2; j++) {
                System.out.print("* ");
            }
            System.out.println();
        }
    }
}

This program first reads the two integers N1 and N2. It then checks if these numbers are within the specified range. If not, it prints 'invalid' and ends the program. If the numbers are within the range, it prints a pattern of asterisks, with N1 rows and N2 columns.

Please note that the pattern to be printed is not specified in your question. The above program prints a rectangle of asterisks. If you need a different pattern, you will need to modify the nested for loops accordingly.

This problem has been solved

Solution 2

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int N1 = scanner.nextInt();
        int N2 = scanner.nextInt();

        if (N1 <= 0 || N1 > 1000 || N2 <= 0 || N2 > 1000) {
            System.out.println("invalid");
            return;
        }

        for (int i = 0; i < N1; i++) {
            for (int j = 0; j < N2; j++) {
                System.out.print("* ");
            }
            System.out.println();
        }
    }
}

Please note that the pattern to be printed is not specified in the question. I have assumed that the pattern is a rectangle of asterisks. If the pattern is different, you will need to modify the nested for loop accordingly.

This problem has been solved

Solution 3

The problem statement is not clear. It does not provide information about the pattern that needs to be printed. Could you please provide more details or examples of the pattern?

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