import org.junit.Test;
public class index {
@Test
public void index(){
String str = "how.my are you";
if("".equals(str) || str==null){
System.out.println("没有可用数据");
}
else{
String strs[] = str.split("\s+|[.]");
StringBuffer restr = new StringBuffer();
for(int i = strs.length-1; i >= 0; i--){
System.out.println(strs[i]);
restr.append(" "+strs[i]);
}
System.out.println("反:"+restr);
}
}
}