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));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));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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