Next Greater Element | Simple Java program to print next greater elements in a given array ; prints element and NGE pair for all elements of arr [ ] of size n ; Driver Code
class Main { static void printNGE ( int arr [ ] , int n ) { int next , i , j ; for ( i = 0 ; i < n ; i ++ ) { next = - 1 ; for ( j = i + 1 ; j < n ; j ++ ) { if ( arr [ i ] < arr [ j ] ) { next = arr [ j ] ; break ; } } System . out . println ( arr [ i ] + " ▁ - - ▁ " + next ) ; } } public static void main ( String args [ ] ) { int arr [ ] = { 11 , 13 , 21 , 3 } ; int n = arr . length ; printNGE ( arr , n ) ; } }