Both Python and Java are popular programming languages used for full-stack development, but it's difficult to say which one is used by the majority of developers. The choice of programming language depends on a variety of factors, including the needs of the project, the developer's experience and preferences, and the requirements of the organization. Java has been a popular choice for full-stack development for many years, thanks to its robustness, scalability, and compatibility with a wide range of platforms. Many enterprise-level applications and websites are built using Java, and it has a large community of developers and users. Python, on the other hand, has become increasingly popular in recent years due to its simplicity, flexibility, and ease of use. Python's popularity has been driven in part by the growth of data science, machine learning, and artificial intelligence, where Python is often the language of choice. Ultimately, the choice between Python and Java for f...