Section 17 jars

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本文介绍了如何使用Java进行应用程序的编译、打包为Jar文件以及最终的运行流程。包括了带路径编译命令、创建包含主类信息的manifest文件、使用jar命令打包以及运行已打包的Jar文件的方法。此外还提及了包的作用以及如何查看和提取Jar包的内容。

带路径编译：

javac -d path *.java


Main-class in jar

manifest.txt:

Main-Class: MyApp

(empty line)


打Jar包：

jar -cvmf mainifest.txt app1.jar *.class


运行Jar包

java -jar app1.jar


Packages prevent class name conficts.


Show the contents of a JAR

jar -tf packEx.jar


Extract Jar:

jar -xf packeEx.jar


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Section 5-6
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A port represents a logical connection to a particular piece of software. A number representing an application. TCP port from 0 to 1023 are reserved for well known services. Client: Read data f
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