Majority - facebook code lab - pass all test cases

Majority.java

public class Solution {
	public int majorityElement(final List<Integer> a) {
	    int len = a.size(); 
	    
	    int count = 1; 
	    int majority = a.get(0).intValue(); 
	    for(int i=1; i< a.size(); i++)
	    {
	        int cur = a.get(i).intValue(); 
	        
	        // add new, delete 
	        boolean setNewElement = count == 0; 
	        boolean removeCurElement = count == 1 && (cur != majority); 
	        
	        // just update the count 
	        boolean addOneMore = count >= 1 && cur == majority; // bug001 - >=,not >
	        boolean decrementOne = count > 1 && (cur != majority); 
	        
	        // set a new element to count 
	        if(setNewElement)
	        {
	            majority = cur; 
	            count = 1; 
	        }
	        else if(removeCurElement)
	            count = 0;
	        else if(addOneMore)   
	            count ++; 
	        else if(decrementOne) // 
	            count --; 
	    }
	    
	    return majority; 
	    
	}
}