package stringvector;

public class StringVector {
	private String[] vector;
	private int size;

	public void StringVector() {
		vector = new String[] {""};
		size = 1;
	}

	public void StringVector(int size) {
		this.size = size;
		vector = new String[size];
		for (int i = 0; i < size; i++) {
			vector[i] = "";
		}
	}



	public String at(int i) throws Exception {
		if (i<0 || i>size) {
			throw new ArrayIndexOutOfBoundsException();
		}

		return vector[i];
	}

	void put(int i, String st){
		vector[i] = st;
	}

	int find(String st){
		for (int i=0; i<size; i++) {
			if (vector[i] == st) {
				return i;
			}
		}
		return -1;
	}

	void resize(int newSize) {
		int itemsPreenchidosNoVetor = 0;

		for (int i = 0; i < this.size; ++i) {
			if (!vector[i].equals("")) {
				++itemsPreenchidosNoVetor;
			}
		}

		if (itemsPreenchidosNoVetor > newSize) {
			throw VectorSizeException();
		}

		String[] temp = new String[newSize];
		int indexOfTemp = 0;

		for (int i = 0; i < this.size; ++i) {
			if (!vector[i].equals("")) {
				temp[indexOfTemp] = vector[i];
				++indexOfTemp;
			}
		}
	}

	private Exception VectorSizeException() {
		return null;
	}
}