How do Japanese in general view the Chinese?

Question:

I have a few chatmates from Japan (whom I teach English to) and some of them tell me Chinese are very disorganized and messy when they are in Japan and they cause trouble. Is that true?

Answer:

It seems that many Chinese staying illegally in Japan are engaged in new and bizarre crimes the kind that have never happened before in Japan.
But except that, with their rapid economical growth and peoples affluence, the interchange between the two countries is growing every year in many fields which in turn helps deeper and wider mutual understanding.