Java language based on Andrews' activities and create a multi-class pass value through Intent " instance

helloworld
..........\.classpath
..........\.project
..........\AndroidManifest.xml
..........\assets
..........\bin
..........\...\AndroidManifest.xml
..........\...\classes
..........\...\classes.dex
..........\...\.......\mars
..........\...\.......\....\helloworld
..........\...\.......\....\..........\BuildConfig.class
..........\...\.......\....\..........\HelloActivity$MyButtonListener.class
..........\...\.......\....\..........\HelloActivity.class
..........\...\.......\....\..........\OtherActivity.class
..........\...\.......\....\..........\R$attr.class
..........\...\.......\....\..........\R$drawable.class
..........\...\.......\....\..........\R$id.class
..........\...\.......\....\..........\R$layout.class
..........\...\.......\....\..........\R$string.class
..........\...\.......\....\..........\R.class
..........\...\dexedLibs
..........\...\.........\annotations-48854bf297e97c8a3f76cba31b5baa79.jar
..........\...\helloworld.apk
..........\...\jarlist.cache
..........\...\res
..........\...\resources.ap_
..........\...\...\drawable-hdpi
..........\...\...\.............\icon.png
..........\...\...\.............\shuangzi8.png
..........\...\...\drawable-ldpi
..........\...\...\.............\icon.png
..........\...\...\drawable-mdpi
..........\...\...\.............\icon.png
..........\gen
..........\...\mars
..........\...\....\helloworld
..........\...\....\..........\BuildConfig.java
..........\...\....\..........\R.java
..........\project.properties
..........\res
..........\...\drawable-hdpi
..........\...\.............\icon.png
..........\...\.............\shuangzi8.png
..........\...\drawable-ldpi
..........\...\.............\icon.png
..........\...\drawable-mdpi
..........\...\.............\icon.png
..........\...\drawable-xhdpi
..........\...\layout
..........\...\......\main.xml
..........\...\......\other.xml
..........\...\values
..........\...\......\strings.xml
..........\src
..........\...\mars
..........\...\....\helloworld
..........\...\....\..........\HelloActivity.java
..........\...\....\..........\OtherActivity.java

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