package com.lxxu.autocloseable;
public class MessageDemo {
public static void main(String[] args) throws Exception {
try(NetMessage nm = new NetMessage("sssss")) {
if(nm.open()){
nm.send();
}
} catch (Exception e) {
}
}
}
interface IMessage extends AutoCloseable{//一定要结合异常处理 JDK1.7引入
public void send();//消息发送
}
class NetMessage implements IMessage{
private String msg ;
public NetMessage(String msg) {
this.msg = msg;
}
public boolean open(){
System.out.println("获取消息发送连接资源");
return true;
}
public void close() throws Exception{
System.out.println("关闭消息发送通道");
}
@Override
public void send() {
System.out.println("发送消息"+this.msg);
}
}
AutoCloseable接口实现资源自动关闭
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转载自blog.csdn.net/qq_42740745/article/details/84964645
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