通过此代码可以查找某个网段！
本资料共包括以下附件：
.classpath
.project
org.eclipse.jdt.core.prefs
NewPing.class
PingHelper.class
PingHelpers.class
pingIP.class
PingMaster.class
NewPing.java
pingIP.java
PingMaster.java
net
net
util
util
.settings
bin
src
Ping....
(With this code, you can find a network segment!
This document includes the following attachments:
.classpath
.project
org.eclipse.jdt.core.prefs
NewPing.class
PingHelper.class
PingHelpers.class
pingIP.class
PingMaster.class
NewPing.java
pingIP.java
PingMaster.java
net
net
util
util
.settings
bin
src
Ping....)
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