Java Program to reverse the Array

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In this program, you’ll learn how to reverse the Array in java.

To properly understand this Program to reverse the Array, you should have the knowledge of following Java programming topics:

Java Array
Java loops
Basic operator

Program to reverse an Array

import java.util.Scanner;
public class Example
{
   public static void main(String args[])
   {
	int counter, i=0, j=0, temp;
	int number[] = new int[100];
	Scanner scanner = new Scanner(System.in);
	System.out.print("How many elements you want to enter: ");
	counter = scanner.nextInt();

	for(i=0; i<counter; i++)
	{
	    System.out.print("Enter Array Element"+(i+1)+": ");
	    number[i] = scanner.nextInt();
	}

	j = i - 1;     
	i = 0;         
	scanner.close();
	while(i<j)
	{
  	   temp = number[i];
	   number[i] = number[j];
	   number[j] = temp;
	   i++;
	   j--;
	}

	System.out.print("Reversed array: ");
	for(i=0; i<counter; i++)
	{
	   System.out.print(number[i]+ "  ");
	}       
   }
}

Output

How many elements you want to enter: 5
Enter Array Element1: 11
Enter Array Element2: 22
Enter Array Element3: 33
Enter Array Element4: 44
Enter Array Element5: 55
Reversed array: 55  44  33  22  11

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