Method require

gdx/src/com/badlogic/gdx/utils/CharArray.java:426–429

(int additionalCapacity)

	}

	private void require (int additionalCapacity) {
		int sizeNeeded = size + additionalCapacity;
		if (sizeNeeded - items.length > 0) resizeBuffer(sizeNeeded);
	}

	/** Resizes the buffer to at least the size specified.
	 * @throws RuntimeException if the {@code minCapacity} is negative */