What is Java Programming ? is the best or worst among the other languages ?
Java Programming is the way of giving instructions to the computer to perform the specified task. Java is primarily used because of its object-orientedness, meaning we can depict the real life problem with java. whether java is best or not is entirely depend on the problem at hand. Likewise for other languages. It is the nature of the problem that defines what language should be used for that particular problem.
What is the Software Engineering in the Practical world ?
Software engineering is used to create a digital product or the digital solution to the problem that people encounter in the day to day life. It involves various approaches to develop software. It involves steps like Requirement Analysis, Designing, Implementation, maintenance etc.
What is the Computer Science in the practical world ? what is at the heart of computer science ?
The Computer Science in the practical world is a way to tackle the problems which require tremendous time and highly complex. The Programming is at the heart of computer science. The problem is broken down into subproblems and every part is solved with the help of a computer. The Computer receives the instruction in the form of programming instructions written in the programming language like java, c++, python etc.