reversing an array in js
var arr=[1,2,5,6,2]
arr.reverse()reverse array in java
int length = array.length;
for(int i=0;i<length/2;i++) {
int swap = array[i];
array[i] = array[length-i-1];
array[length-i-1] = swap;
}
or
Collections.reverse(Arrays.asList(array));how to reverse an array in javascript
array = [1 2, 3]
reversed = array.reverse()reverse string array java
//java program to reverse array using for loop
public class ReverseArrayDemo
{
public static void main(String[] args)
{
int[] arrNumbers = new int[]{2, 4, 6, 8, 10};
System.out.println("Given array: ");
for(int a = 0; a < arrNumbers.length; a++)
{
System.out.print(arrNumbers[a] + " ");
}
System.out.println("Reverse array: ");
// looping array in reverse order
for(int a = arrNumbers.length - 1; a >= 0; a--)
{
System.out.print(arrNumbers[a] + " ");
}
}
}reverse string array java
import java.util.Arrays;
public class ReverseStringArrayInJava
{
public static void main(String[] args)
{
String[] strHierarchy = new String[]{"Junior Developer","Senior Developer","Team Lead","Project Manager","Senior Manager","CEO"};
System.out.println("Given string array: " + Arrays.toString(strHierarchy));
for(int a = 0; a < strHierarchy.length / 2; a++)
{
String strTemp = strHierarchy[a];
strHierarchy[a] = strHierarchy[strHierarchy.length - a - 1];
strHierarchy[strHierarchy.length - a - 1] = strTemp;
}
System.out.println("Reversed string array: ");
for(int a = 0; a < strHierarchy.length; a++)
{
System.out.println(strHierarchy[a]);
}
}
}Reversing an array
#include<iostream>
using namespace std;
int main()
{
int Arr[100],n,temp,i,j;
cout<<"Enter number of elements you want to insert ";
cin>>n;
for(i=0;i<n;i++)
{
cout<<"Enter element "<<i+1<<":";
cin>>Arr[i];
}
for(i=0,j=n-1;i<n/2;i++,j--)
{
temp=Arr[i];
Arr[i]=Arr[j];
Arr[j]=temp;
}
cout<<"\nReverse array"<<endl;
for(i=0;i<n;i++)
cout<<Arr[i]<<" ";
return 0;
}Copyright © 2021 Codeinu
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