Thread: Why does it fill out the entire array instead of just one index?

 	private int anzahlWagen = 0;
	static Wagen[] wagenList;
	public static void main(String[] args){
		wagenList = new Wagen[6];
		for(int i = 0;i < wagenList.length;i++){
			wagenList[i] = null;
		}
		addWagen(5,9);
		for(int i = 0;i < wagenList.length;i++){
		System.out.println(wagenList[i].getFirstClass());
		}
	}
 
	public static void addWagen(int pFirst, int pSecond){
		boolean wagenAdded = false;
		for(int i = 0;i < wagenList.length;i++){
			if(wagenList[i] == null){
				if(wagenAdded == false){
				wagenAdded = true;
				wagenList[i] = new Wagen(pFirst, pSecond);
				}
			}
		}
		wagenAdded = false;
	}

It adds the value 5 to all objects within the array. The class "Wagen" consists of two private int variables, and get-methods.