reversing an array

1var arr=[1,2,5,6,2]
2arr.reverse()

1int length = array.length;
2		for(int i=0;i<length/2;i++) {
3			int swap = array[i];
4			array[i] = array[length-i-1];
5			array[length-i-1] = swap;
6		}
7or
8Collections.reverse(Arrays.asList(array)); 

1array = [1 2, 3]
2reversed = array.reverse()

1//java program to reverse array using for loop
2public class ReverseArrayDemo 
3{
4   public static void main(String[] args) 
5   {
6      int[] arrNumbers = new int[]{2, 4, 6, 8, 10};  
7      System.out.println("Given array: ");  
8      for(int a = 0; a < arrNumbers.length; a++)
9      {
10         System.out.print(arrNumbers[a] + " ");
11      }
12      System.out.println("Reverse array: ");
13      // looping array in reverse order
14      for(int a = arrNumbers.length - 1; a >= 0; a--) 
15      {  
16         System.out.print(arrNumbers[a] + " ");  
17      }
18   }
19}

1import java.util.Arrays;
2public class ReverseStringArrayInJava
3{
4   public static void main(String[] args)
5   {
6      String[] strHierarchy = new String[]{"Junior Developer","Senior Developer","Team Lead","Project Manager","Senior Manager","CEO"};
7      System.out.println("Given string array: " + Arrays.toString(strHierarchy));
8      for(int a = 0; a < strHierarchy.length / 2; a++)
9      {
10         String strTemp = strHierarchy[a];
11         strHierarchy[a] = strHierarchy[strHierarchy.length - a - 1];
12         strHierarchy[strHierarchy.length - a - 1] = strTemp;
13      }
14      System.out.println("Reversed string array: ");
15      for(int a = 0; a < strHierarchy.length; a++)
16      {
17         System.out.println(strHierarchy[a]);
18      }
19   }
20}

1#include<iostream>
2using namespace std;
3int main()
4{
5	int Arr[100],n,temp,i,j;
6	cout<<"Enter number of elements you want to insert ";
7	cin>>n;
8	for(i=0;i<n;i++)
9	{
10		cout<<"Enter element "<<i+1<<":";
11		cin>>Arr[i];
12	}
13	for(i=0,j=n-1;i<n/2;i++,j--)
14	{
15		temp=Arr[i];
16		Arr[i]=Arr[j];
17		Arr[j]=temp;
18	}
19	cout<<"\nReverse array"<<endl;
20	for(i=0;i<n;i++)
21		cout<<Arr[i]<<" ";
22	return 0;
23}