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  1. import java.util.*;
  2. class BeingZero {
  3. 	public static boolean isPalindrome(int arr[]){
  4. 		int i=0;
  5. 		int j=arr.length-1;
  6. 		while(i<=j){
  7. 			if(arr[i]!=arr[j]){
  8. 				return false;
  9. 			}
  10. 			i++;
  11. 			j--;
  12. 		}
  13. 			return true;
  14.  
  15. 	}
  16.     public static void main(String[] args) {
  17.         Scanner sc = new Scanner(System.in);
  18.         long n = sc.nextLong();
  19.         int arr[] = new int[(int)n];
  20.         //Reading array elements
  21.         for(int i=0;i<n;i++)
  22.         {
  23.             arr[i]= sc.nextInt();
  24.         }
  25.         //Print from 0 to n
  26.         for(int ele : arr)
  27.         {
  28.             System.out.print(ele +" ");
  29.         }
  30.         System.out.println();
  31.  
  32.         //Print from n to 0
  33.         int N = (int)n;
  34.         for(int i = N-1;i>=0;i--)
  35.         {
  36.             System.out.print(arr[i]+" ");
  37.         }
  38.         System.out.println();
  39.         //Print even index elements
  40.         for(int i = 0;i<N;i=i+2) {
  41.             System.out.print(arr[i]+" ");
  42.         }
  43.         System.out.println();
  44.  
  45.  
  46.  
  47.         //print odd
  48.  
  49.  
  50.  
  51.  
  52.         //print arraylist
  53.  
  54.         List<Integer> list=new ArrayList<>();
  55.         //copy from array to list
  56.         for(int x: arr){
  57.         list.add(x);
  58.  
  59.         }
  60.         //sum of the list
  61.  
  62.         int sum=0;
  63.         for(int i=list.size()-1;i>=0;i--){
  64.         	sum=sum+list.get(i);
  65.  
  66.         }
  67.  
  68.         System.out.println(isPalindrome(arr));
  69.  
  70.  
  71.     }
  72.  
  73. }
Success #stdin #stdout 0.17s 58984KB
comments (?)
stdin 
5
1 2 3 4 5
stdout 
1 2 3 4 5 
5 4 3 2 1 
1 3 5 
false
https://ideone.com/Oywu6L
language:
Java (HotSpot 12)
created:
17 days ago
visibility:
public

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