出品|开源中国OpenJDK 的 JEP 445 提案正在努力简化 Java 的入门难度。这个提案主要是引入 “灵活的 Main 方法和匿名 Main 类” ，希望 Java 的学习过程能 ...

Java beginner course part 1: Hello world! Traditionally, when learning any new programming language, the first thing a tutorial should demonstrate, is how to print “Hello World!” to the screen.

You’ll need to know one last Java quirk before you can get Hello World up and running: the file’s name. Because of Java’s class-first approach, the file you save your code in needs to be ...

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