/**

* A Java program that stores an array, reverses it, and prints a reversed array

* Group 13

* Authors: Lobingco, Kenneth F.

* Islanan, Lenito Laurencio Lamberto

* Laboratory #6

* Date: May 8, 2021

*/

import java.util.Scanner;

public class IT1A_Group13_Lab6 {

public static void main (String [] args) {

int fiveNumFirstLimit = 0;

int fiveNumSecondLimit = 0;

char runProgramQuestion;

//do... while loop should be used so that while statement could get value in the loop-again-program question part

do{

int readNumInput;

int forArray, initiate, end; //Initiate would be the start of array element (0), and end would be the end element of the array

initiate = 0;

Scanner sc=new Scanner(System.in);

System.out.print("Enter the array size you want to process ");

readNumInput=sc.nextInt();

end = readNumInput - 1; //minus 1 in end so that it can read the next line in it's left when stored

int array [] = new int[readNumInput];

System.out.println("Enter the " + readNumInput + " elements of the array: ");

for(int i=0; i<readNumInput; i++)

{

array[i]=sc.nextInt();

}

System.out.println("The " + readNumInput + " Array elements are: ");

for (int i = 0; i<readNumInput; i++)

{

fiveNumFirstLimit++;

if (fiveNumFirstLimit > 5) {

System.out.println();

fiveNumFirstLimit = 1;

}

System.out.printf("%5d ", array[i] );

}

System.out.printf("\nThe " + readNumInput + " rearranged array elements and then reversed output: \n");

while (initiate < end)

{

//This for statement is the code for storing the array, very important 'for' statement

forArray = array[initiate];

array[initiate] = array[end];

array[end] = forArray;

initiate++;

end--;

}

for (int i = 0; i<readNumInput; i++)

{

fiveNumSecondLimit++; //restrict the print to 5 numbers per line

if (fiveNumSecondLimit > 5) {

System.out.println();

fiveNumSecondLimit = 1;

}

System.out.printf("%5d ", array[i]);

}

System.out.printf("\nTry again the program? Type Y/y to repeat program \n type N/n to stop program, \nother input would prompt this question again\n");

Scanner read = new Scanner (System.in);

runProgramQuestion = read.next().charAt(0);

//Use && in the while loop so that a wrong input would always be false

while (runProgramQuestion != 'Y' && runProgramQuestion != 'N' && runProgramQuestion != 'y' && runProgramQuestion != 'n') {

System.out.println("You can only choose between Y/y, or N/n");

runProgramQuestion = read.next().charAt(0);

}

if (runProgramQuestion == 'N' || runProgramQuestion == 'n') {

System.exit(0);

}

} while (runProgramQuestion == 'Y' || runProgramQuestion == 'y');

}

}