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This article is a detailed introduction to "how java generates jar packages and realizes single process operation". The content is detailed, the steps are clear, and the details are properly handled. I hope this article "how java generates jar packages and realizes single process operation" can help you solve doubts. The following is a detailed introduction to learn new knowledge together.

java file package jar run

Effective steps:

1. cmd to the current directory (for example, the directory where the default package main class is located) set classpath = directory where the default package main class is located

2. javac main class.java

3.java Main Class Name

4. Write a list file

Manifest-Version: 1.0 Created-By: 1.8.0 (Sun Microsystems Inc.) Main-Class: Main class name

created-by Version number unknown-> cmd input java -version

5. jar cfm custom.jar MANIFEST.MF *.class

6. Customize a bat file (batch file is the default entry if occupied by decompression application)

Content: javaw-jar Customization.jar

7. Double-click the bat file to get the above two files in a computer equipped with jdk can run

Java basic data types are divided into:

1. Integer type, used to represent the data type of integer.

Floating-point type, used to represent decimal data types.

3. Character type, the keyword of character type is "char".

Boolean type is the basic data type that represents logical values.

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