To help readers build a systematic, intuitive high-level understanding of Java, this article breaks down seven core keywords to describe Java from diverse perspectives and deepen your overall grasp of the language. For absolute beginners with limited computer science background, you do not need full, precise, in-depth comprehension of these technical terms right away. Feel free to interpret each concept in your own way. These keywords serve as signposts, reminding new developers to supplement relevant theoretical knowledge at the appropriate stage. You can fill in these knowledge gaps after gaining basic familiarity with Java by referring to specialized learning materials. The seven core keywords are: Procedural Programming, Simplicity, Object-Oriented, Multithreading, Portability, High Performance, Distributed Computing. Simply put, procedural programming is a programming paradigm centered on outlining step-by-step procedures to solve a given problem. Programming enables computers to automatically carry out sequences of operations per human instructions to resolve specific tasks. Procedural programming focuses entirely on the ordered processes and steps required to move from initial input conditions to a final solution, prioritizing concrete action sequences for problem-solving. The C language is the most iconic procedural language; other examples include Fortran and Pascal. Take C as an example. When tackling a