strreplace.java

此为图书管理系统

package   com.bean;
import java.util.*;
public class StrReplace {

public StrReplace() {
}
public String str_replace(String from,String to,String source)
{
StringBuffer bf= new StringBuffer("");
StringTokenizer st = new StringTokenizer(source,from,true);
while (st.hasMoreTokens())
{
String tmp = st.nextToken();
System.out.println("*"+tmp);
if(tmp.equals(from))
{
bf.append(to);
}
else
{
bf.append(tmp);
}
}
return bf.toString();
}
}