java字符串的合并

答：importjava.util.*;

classtest
{
publicstaticvoidmain(String[]args)
{
Stringstr1="001,002,003,004,006",str2="001,002,005";
Stringstr="";
TreeSetts=newTreeSet();

StringTokenizerst=newStringTokenizer(str1,",");
while(st.hasMoreTokens())
{
ts.add(st.nextToken());
}

st=newStringTokenizer(str2,",");
while(st.hasMoreTokens())
{
ts.add(st.nextToken());
}

Iteratorit=ts.iterator();

while(it.hasNext())
str=str+it.next()+",";

System.out.println(str);
}
}