Find the Number Occurring Odd Number of Times | Java program to find the element occurring odd number of times ; function to find the element occurring odd number of times ; driver code ; Function calling
class OddOccurrence { static int getOddOccurrence ( int arr [ ] , int arr_size ) { int i ; for ( i = 0 ; i < arr_size ; i ++ ) { int count = 0 ; for ( int j = 0 ; j < arr_size ; j ++ ) { if ( arr [ i ] == arr [ j ] ) count ++ ; } if ( count % 2 != 0 ) return arr [ i ] ; } return - 1 ; } public static void main ( String [ ] args ) { int arr [ ] = new int [ ] { 2 , 3 , 5 , 4 , 5 , 2 , 4 , 3 , 5 , 2 , 4 , 4 , 2 } ; int n = arr . length ; System . out . println ( getOddOccurrence ( arr , n ) ) ; } }