Second Maximum

Write a java program to find second maximum?

/* Java Program to find second maximum number*/ 
public class SecondMaximum {
     public static void main(String[] args) {         
           int[] array = {1,2,34,156,436,3};/* give input here*/ 
           int firstMax = 0;
           int secondMax= 0;          
           for(int i = 0; i<array.length;i++){
                if(firstMax < array[i]){
                     secondMax = firstMax;
                     firstMax = array[i];
                }
           }
           System.out.println("First Max Number: "+firstMax);
           System.out.println("Second Max Number: "+secondMax);
     }

}