تحديات برمجيةالتحدي الثاني - حل التمرين الثالث بلغة جافا

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        Scanner input = new Scanner(System.in);
        int n;
        int A[], B[], C[];

        do {
            System.out.print("Enter the length of A and B: ");
            n = input.nextInt();
        }
        while (n <= 0);
        
        A = new int[n];
        B = new int[n];
        C = new int[n * 2];
        
        for (int i = 0; i < n; i++)
        {
            System.out.print("Enter A[" + i + "]: ");
            A[i] = input.nextInt();
        }
        
        for (int i = 0; i < n; i++)
        {
            System.out.print("Enter B[" + i + "]: ");
            B[i] = input.nextInt();
        }
        
        for (int i = 0; i < n; i++)
        {
            C[i] = A[i];
        }
        
        for (int i = 0; i < n; i++)
        {
            C[n + i] = B[i];
        }
        
        System.out.print("\nC contains: ");
        for (int i = 0; i < n * 2; i++)
        {
            System.out.print(C[i] + " ");
        }
        
        System.out.println();
      
    }

}