The course described in the source was updated in 2020 for people without prior programming experience. It begins with downloading and installing a JDK, then introduces Java commands and practice problems. JDK 8 appears in the installation section as the course’s example; that does not make it the right version for every learner today.
A useful order for learning
For a beginner, “set up tools → write a first program → learn the language’s commands → use them to solve problems” is an approachable sequence. The actual installation depends on the operating system, JDK distributor and version. After installation, check the version and run a small program to confirm that it compiles and executes before moving on.
Getting started with the JDK you choose
- Choose a JDK distributor and check its operating-system requirements.
- Follow the installation guide for that JDK version instead of relying directly on old screenshots.
- Write a first program and check its output from the command line or an IDE.
- Then learn variables, data types, conditions, loops and methods.
- Practice with small problems and read error messages to find causes instead of copying code without understanding it.
Oracle notes that its older Java Tutorials were written for JDK 8 and points learners to Dev.java for updated material. Choose a JDK that also fits the requirements of the project or course you are following.