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));
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}