Shulou(Shulou.com)05/31 Report--

This article mainly introduces the relevant knowledge of "how the java program runs". The editor shows you the operation process through the actual case. The operation method is simple, fast and practical. I hope this article "how to run the java program" can help you solve the problem.

The operating environment of this tutorial: windows7 system, java10 version, DELL G3 computer.

1. Running process

(1) Edit the source code xxx.java.

(2) compile xxx.java file to generate bytecode file xxx.class.

(3) the class loader in JVM loads the bytecode file.

(4) the execution engine in JVM finds the entry method and executes the method.

2. Examples

/ / MainApp.java public class MainApp {public static void main (String [] args) {Animal animal = new Animal ("Puppy"); animal.printName ();}} / / Animal.java public class Animal {public String name; public Animal (String name) {this.name = name;} public void printName () {System.out.println ("Animal [" + name+ "]") }} this is the end of the introduction to "how java programs work". Thank you for reading. If you want to know more about the industry, you can follow the industry information channel. The editor will update different knowledge points for you every day.

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