ReverseArray.java

package com.sarvesh.javabasics;

import java.util.Scanner;

public class ReverseArray {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		System.out.print("Enter number of Integers: ");
		int n = sc.nextInt();
		
		int[] arr = new int[n];
		System.out.print("Enter Numers in Array: ");
		for(int i = 0;i<n;i++) {
			arr[i] = sc.nextInt();
		}
		
		reverseArray(arr);
		
		System.out.print("Reversed Array: ");
		for(int i=0;i<arr.length;i++) {
			System.out.print(" "+arr[i] );
		}
		sc.close();
	}
	
	public static void reverseArray(int[] arr) {
		int left = 0;
		int right = arr.length - 1;
		
		while(left < right) {
			int temp = arr[left];
			arr[left] = arr[right];
			arr[right] = temp;
			left++;
			right--;
		}
		
	}

}