Practical_1_6.java

import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.regex.*;

class Result {

    /*
     * Complete the 'reverseArray' function below.
     *
     * The function is expected to return an INTEGER_ARRAY.
     * The function accepts INTEGER_ARRAY a as parameter.
     */

    static int[]  reverseArray(int[] a) {
        int len = a.length-1;
        for(int i=0;i<=len/2;i++){
            swap(a,i,len-i);
        }
        return a;
    // Write your code here
    }
    public static void swap(int[] a,int start,int end){
        int temp = a[start];
        a[start] = a[end];
        a[end] = temp;
    }
   
}

public class Practical_1_6 {
    public static void main(String[] args) throws IOException {
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));

        int arrCount = Integer.parseInt(bufferedReader.readLine().trim());
        
        String[] arrItems = bufferedReader.readLine().replaceAll("\\s+$", "").split(" ");

        int [] arr = new int[arrCount];

        for (int i = 0; i < arrCount; i++) {
            int arrItem = Integer.parseInt(arrItems[i]);
            arr[i] = arrItem;
        }

        int[] res = Result.reverseArray(arr);

        for (int i = 0; i < res.length; i++) {
            bufferedWriter.write(String.valueOf(res[i]));

            if (i != res.length - 1) {
                bufferedWriter.write(" ");
            }
        }

        bufferedWriter.newLine();

        bufferedReader.close();
        bufferedWriter.close();
    }
}