Pairs in array

-

 class pairs{


    public static void main(String[] args) {
       
        int arr[]={3,4,2,5,7};

        for(int i=0;i<arr.length;i++){
            for(int j=i+1;j<arr.length;j++){

                System.out.print("("+arr[i]+","+arr[j]+")");

            }
            System.out.println();
        }
    }
}

Output:-

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