销售预测系统，可以根据历史销售数据对未来的销售量进行有效预测，采用BP神经网络对预测模型进行训练，可以达到不错效果 -Sales forecasting system, can be based on historical sales data on sales to predict the future, using BP neural network prediction model for training, can achieve good Xiao Guo

java算法实现BP神经网络的建立和训练-java algorithm and BP neural network to establish training