Yes. Posting your calligraphy to classmates gives you a sense of showing off your value and a sense of accomplishment in writing by yourself. Tell everyone how your calligraphy is and get everyone's recognition and approval. Therefore, posting your calligraphy to your classmates is a way to show off. Calligraphy is a unique artistic form of textual beauty unique to China and neighboring countries and regions that have been deeply influenced by Chinese culture.