public void displayArray() {
		if(edges == null) {
			System.out.println("There is no array asissgned to this parser. Please, use 'generateArray()' function");
			return;
		}
		for(int i = 0; i < vertNumber; i++) {
			for(int j = 0; j < vertNumber; j++) {
				System.out.print(edges[i][j]);
				System.out.print("\t");
			}
			System.out.println();
		}
	}