Java

This semester, I learned OOP from Inf1B, which using java as the official teaching language. What fascinates me the most is why Java has the JVM. I learned Python, C++, js and Haskell before, but all of them doesn’t have a jargon for virtual machine. And then I went to wikipeidia to find out why. In 1995, Sun Microsystems introduced Java and the JVM to the world with an ambitious dream: “Write Once, Run Anywhere.” This WORA philosophy became a reality through the JVM, enabling Java applications to run on any operating system with a compatible JVM. Before talking about the archivements and limitations, Let’s have a look about how JVM works. ...