我正在使用guava-18.0
和java1.6
考虑以下代码:
String host = null;
host = new URI(this.domain).getHost();
Pattern p = Pattern.compile("[a-zA-Z]");
Matcher m = p.matcher(host);
if(m.find()){
InternetDomainName domainName = InternetDomainName.from(host);
this.domain = domainName.topPrivateDomain().name();
System.out.println(this.domain);
}
else
this.domain = host;
运行ant进行构建时,它会显示错误消息:
[javac] symbol : method name()
[javac] location: class com.google.common.net.InternetDomainName
[javac] this.domain = domainName.topPrivateDomain().name();
[javac] ^
[javac] Note: Some input files use unchecked or unsafe operations.
[javac] Note: Recompile with -Xlint:unchecked for details.
[javac] 1 error
方法topPrivateDomain
返回一个InternetDomainName
对象,它有一个名为name()
的方法。问题是什么?